sử dụng từ trong ngoắc diền vào chỗ trống practice word formation 1. She ...................... us English at school. (TEACHER) 2. In my ......................, there is a park. (NEIGHBOR) 3. Bacgiang has a lot of ................. places. ( BEAUTY ) 4. What is the .................. of this mountain? ( HIGH) 5. We often buy cheap bread in the .................. (BAKE) 6. They have a lot of ........................ in the summer. (ACT) 7. This is the ....................... pagoda in Bacgiang ( OLD) 8. Don't ride too quickly. It is ......................... (DANGER) 9. My house is .................. than yours. (BIG) 10. He greets me in a ......................... way. (FRIEND) There are four............................in my house. (bookshelf.) The photocopy is between the .........and the drugstore. (bake) Is your brother an .........................................? (act) Mai's sister is a ...................................... (sing) We must be ................ when we cross the road. (care) This tree has a lot of green .......................................... (leaf) Is your father a .............................................? ( business) I’m Vietnamese. What’s your ....................................? (nation) Air ................. is a big problem in many cities in the world. (pollute) Yoko is from Japan. She is ................................ (Japan) Anna likes attending the English ................... contests. (SPEAK) My neighborhood is .............. for good and cheap restaurants. (FAME) I like the city life because there are many kinds of ...............(ENTERTAIN) Van’s classroom is on the ......................................... floor. (TWO) These children like ........................................ weather. (SUN) Lan speaks English ....................................... than me. (WELL) The Great Wall of China is the world’s ................. structure. (LONG) What’s Maco’s ........................................? - She’s British. (NATION) Don’t make a fire hare. It’s very……….. (DANGER.) Air…….. is a big problem in many cities in the world. (POLLUTE) There are lot of……………mountains in Vietnam (BEAUTY.) I’m Vietnamese. What’s your…………? (NATION) This is the ………….. pagoda in our country (OLD). She is very ……………….. . (beauty) Mai’s sister is a ………………… . (sing). It is very ………........... in the city. (noise) Her …………….. are small and white. (tooth) There are two ……………… in his office. (secretary) Do you know the …………….. of this book? (write) This is my favorite chair. It’s so …………….. . (comfort) My father often ………………. his work at 4.30. (finish) The Mekong River is the …………._ river in Vietnam. (long) Tokyo is …………………. than London. (big) Ho Chi Minh city is the………………….city in Vietnam. (big) Petronas Twin Towers is…………….than Sears Tower. (tall) My sister is …………………. than I. (old) Nam is……….than Ba. He is the ………_ boy in Vietnam. (short) Phanxipang is the …………………. mountain in Vietnam. (high) These books are …………………. than those books. (thick) It is the………………….building in this city. (tall) The Nile River is …………………. than the Amazon River. (long)

giải hộ mình 3 câu khoanh tròn ạ

40^2-39^2+38^2-37^2+....+2^2-1^2

Giúp mik vs ạ Mik cảm ơn nhiều :<

Phân tích đa thức thành nhân tử 4x^2y^2-(x-y)^2

The serve brough out Mr.Baker's dessert before he had ............finished the main dish. A) then B) else C) very D) even

Mọi người giúp mình giải câu này với!!!

Giúp nhanh nhé . Trước 19h30' Bài 4A và 4B

Cho x^2+y^2=15 và x.y=6 .Tính x^4+y^2 Mn giúp mk vs ạ , mk cảm ơn trc

1Cho hình thang abcd (an//CD) cho ab=dc cm ca pg của bcd 2cho tâm giác abc vẽ p/g be, trên ab lấy f sao cho bf =ef 3cho hthg abcd (ab//CD) sao cho bd =bc 4 cho hình thang vuông adcd (ab//CD) ,a=b=90 sao cho bd=bc trên cd lấy Hết sao cho ab=ch c/m cd