Hãy nêu các biện pháp mới nhất phòng chống dịch covid-19

Mọi người giúp mình một số câu này với ạ.

B=1+5+5^2+5^3+...+5^150 Giúp mik vs ,mik đg cần gấp

II. Writing: (using: + adj + enough + (for + O) + to Inf) 1. Lan is very young. She couldn’t do that work. 2. Mai is very tall. She can touch the top of the shelves. 3. The film was very good. I saw it through. (Omit it.) 4. You are very young. You can't have a front-door key. 5 The ladder wasn't very long. It didn't reach the window. 6. Tom was very foolish. He told lies to the police. 7. The ice is quite thick. We can walk on it. (Omit it.) 8. The shoes aren’t big. They can’t wear them.(omit them)

I ( talk) _______________ about him when suddenly he ( come) ______________ in last night. 48. He ( not be) _________________ present at class yesterday. 49. What ( happen) _________________ to you yesterday? 50. Yesterday afternoon, the boys ( break) ______ the windows when they ( play) __________ football.

MN cho mình hỏi tại sao bỏ đá vô trong nước thì đá lại nổi lên trên tí mình ko hiểu thì giải thích hộ nha

cho mình hỏi con cóc và con ếch khác nhau ở điểm nào vậy mn, liệu ếch kêu được tiếng còn cóc thì không kêu không ?

4 người mua 4 tấm vải.Người 1 mua 1/2 tổng của 3 người kia,người 2 mua 1/3 người kia,người 3 mua 1/4 người kia,người 4 mua 13m vải.Hỏi mảnh vải dài bao nhiêu m

IV. Choose the letter A, B, C or D to complete the passage below They widen the roads so cars and lorries can get to the village easily. They build a medical centre so people’s health can be looked (1) __________ at any time. They build a new school so their (2) __________ have better learning conditions. They build a bridge (3) __________ the river so villagers have a shorter way to town. They also build a football ground so their children can (4) __________ sports. In addition, they grown cash crops so people can export the crops and have more money. I would like to become an agricultural engineer in the future so I can apply new technology to our farming and do more for the village (5) __________ our parents did. Question 1: A. on B. for C. into D. after Question 2: A. adults B. children C. parents D. husbands Question 3: A. on B. by C. over D. to Question 4: A. do B. play C. get D. have Question 5: A. as B. like C. so D. similar

I. Rewrite these sentences 1. We usually drove the car to the city when we worked there. We……………………………………………………………………………….. 2. Our Dad is a hard runner. Our Dad…………………………………………………………………………. 3. Playing this game is quite easy. It's……………………………………………………………………………….. 4. We cannot go out today because we aren't well. We aren’t……………………………………………………………………….. 5. You shouldn't stay up late tonight. You ought……………………………………………………………………….