Các bạn giải giải giúp mình nữa nhé!! Cảm ơn trước ạ!

Exercise 4. What do you say in these situations? Write sentences with Shall I? or Shall we? 1 You and a friend want to do something this evening but you don't know what. You ask your friend. - .What shall we do this evening? 2. You try on a jacket in a shop. You are not sure whether to buy it or not. You ask a friend for advice. - …………………………………………………………………………………… 3. It's Ann’s birthday next week. You want to give her a present but you don't know what. You ask a friend for advice. - …………………………………………………………………………….. 4. You and a friend are going on holiday together but you haven't decided where. You ask him/her. - ………………………………………………………………………………….. 5. Your friend wants you to phone later. You don’t know what time to phone. You ask him/her.

còn mỗi câu này nhanh cho hn Ex 15. Complete the second sentence so that it has the same meaning as the first one. 1. What is your hobby? → What hobby _____________________________________________________ 2. We all find painting interesting because it’s a creative activity. → We all think _____________________________________________________ 3. His hobby is collecting toy cars. → He collects ______________________________________________________ 4. It isn’t necessary to finish the work today. → You don’t _______________________________________________________ 5. When did you start your hobby? → How long _______________________________________________________ 6. It took me three hours to make this pottery jug. → I spent __________________________________________________________ 7. My father likes to do gardening at the weekend. → My father enjoys _________________________________________________ 8. Why don't we go swimming this afternoon? → What about ______________________________________________________

giải thích từ 1->13 là đc còn đou là đáp án ko thì đáp án thôi cũng đc nhưng phải đúng nhé

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nhanh vs Ex 13. Read the text carefully, then decide whether the following statements are true (T) or false (F). Our life would be hard without rest and recreation. And people have many different ideas of how to spend their free time. If you enjoy doing a thing or activity in your free time, then you have a hobby. A hobby is an activity, Interest, enthusiasm, or pastime that is undertaken for pleasure or relaxation, done during one’s own time. A person’s hobbies depend on his age, character and personal interests. An interesting thing to one person can be boring to another. That’s why some people prefer reading, cooking, knitting, collecting, playing a musical instrument, photography or playing computer games while others prefer dancing, travelling, camping or sports. 1. A hobby is anything that you enjoy doing in your free time. 2. Different people have the same hobbies. 3. A hobby can provide us with relaxation. 4. Your hobby may be changed as you gel older. 5. One person’s hobby may be a boring thing to another person. 6. Playing sports is not a hobby. Ex 14. Arrange the words to make sentences. 1. hobby/ you/ have/ any/ do/? __________________________________________________________________ 2. his/ do/ what/ your/ brother/ free/ does/ in/ time/? __________________________________________________________________ 3. he/ summer/ in/ climbing/ goes/ mountain/ the/ usually/. __________________________________________________________________ 4. friends/ monopoly/ enjoy/ I/ with/ playing/ my/? __________________________________________________________________ 5. It/ boring/ because/ finds/ time/ models/ Jim/ takes/ lots of/ making/. __________________________________________________________________ 6. you/ up/ will/ ice-skating/ future/ in/ take/ the/? __________________________________________________________________

mọi người ơi giúp mình bài này với ạ

a,A= 1+2+2^2+2^3+ ...+ 2^100 b, B= 3^200+3^198+3^196+...+ 3^2+ 1 c, C =1/4+ 1/4^2 + 1/4^3 + ... + 1/4^2021 d, D= 1/5 + (1/5) ^ 3 + ( 1/5) ^5 +...+ (1/5) ^2021 e, E= 3^100- 3^99+ 3^98 - 3^97 + ...+ 3^2 - 3 + 3^0

Ex 11. Write questions for the underlined parts. 1. A: _______________________________________________________________ B: My hobby is photography. 2. A: _______________________________________________________________ B: I started my hobby five years ago. 3. A: _______________________________________________________________ B: I enjoy my hobby because I think it’s creative. 4. A: _______________________________________________________________ B: I spend two hours a day on my hobby. 5. A: _______________________________________________________________ B: Jim usually plays volleyball in his free time. 6. A: _______________________________________________________________ B: He plays volleyball three times a week. 7. A: _______________________________________________________________ B: He often plays volleyball at the court near his school. 8. A: _______________________________________________________________ B: He likes to play volleyball with his friends. Ex 12. Fill in each blank with a word from the box. kinds classify books near name collection clean immediately Collecting (1) __________ is my favourite hobby. I started my hobby five years ago. The first item in my (2) __________ is a book about Doraemon. And now I have a lot of books of all (3) __________: comics, children's, history, science, detective, adventure, etc. Whenever I find an interesting book I buy it (4) __________ . I usually buy books in the bookstores (5) __________ my school and my house. Sometimes my relatives and my friends give me books as a gift. I (6) __________ my books into different categories and put each category in one corner of my bookshelf with a (7) __________ tag on it. It takes all my free time to keep everything (8) __________ and dusted. It keeps me amused for hours, too.

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