Giúp em câu này với ạ Giải thích giùm em với ạ !!! They were fortunate enough.....from the fire before the building collapsed. A. Rescuing B. To have rescued C. To have been rescued D. To rescue

"Cuộc đời sẽ ra sao nếu thiếu ước mơ" ( 3-5 câu)

Cứu vs mik ko hiểu nhanh lên nha

Cho đa thức B(y) =y4 + 2y3-2y2 – 6y + 5 Trong các số sau 1 ; - 1 ; 2 ; - 2, số nào là nghiệm của B(y)?

Giúp mình word form 1 the tạo ended .....when one of the delegation walked out in protest ( ABRUPT) 2 we are...... that you’ll be here (DELIGHT) 3 he turned off the ..... when he went out of the house (electric) 4 many newer cars have a much lower fuel ......(consume) 5 ......... ash showed down on the town after the eruption (vocano) 6 thousand of people have been made ..... by the war (home)

đặt câu theo thử thách trong 1 bài

1. You must wash your hands before lunch…………………… 2. You mustn't listen to your parents. ………………… 3. You must break the windows at school. ………………… 4.You must take a shower every day. ………………… 5. You mustn't eat fruit and vegetables every day. ………………… 6. You must eat lots of sweets if you want to lose some weight. ………………… 7. You must feed your dog every day. ………………… 8. You mustn't fight in the playground. ………………… 9. You must eat in class. ………………… 10. You mustn't be late. ………………… Giúp mik nhé thak u!!!!

mọi người làm hộ em cái, vừa làm mấy bài lớp 7 (em học trước :>) dài mấy trang mỏi tay quá bỗng nhiên cô lại gửi cái đề này nữa :( B. Bài tập chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn 1) This is the first time he went abroad.
 =>He hasn't................................................................................ 2) She started driving 1 month ago.
 =>She has.................................................................................. 3) We began eating when it started to rain.
 =>We have................................................................................. 4) I last had my hair cut when I left her.
 =>I haven't.................................................................................. 5) The last time she kissed me was 5 months ago.
 =>She hasn't............................................................................... 6) It is a long time since we last met.
 =>We haven't............................................................................. 7) When did you have it ?
 =>How long ............................................................................?
 8) This is the first time I had such a delicious meal .
 =>I haven't.............................................................................. 9) I haven't seen him for 8 days.
 =>The last .............................................................................
 10) I haven't taken a bath since Monday.
 =>It is ...................................................................................... 11) Samuel started keeping a diary in 1997 Samuel has __________________________ 12)We started learning English fìve years ago. We have ______________________________ 13) I began living in Ho Chi Minh City when I was 8. I have __________________________________ 14) She has taught the children in this remote village for five months She started _________________________________ 15) He has written to me since April. The last time ________________________________ 16) She hasn’t had a swim for five years She last ________________________________ 17) They last talked to each other two months ago They haven’t ________________________________ 18) The last time she saw her elder sister was in 1999 She hasn’t ________________________________ 19) She hasn’t written to me for years It’s years _______________________________ 20) Robert and Catherine have been married for ten years. It’s ten years _______________________________

đặt 1 câu có sử dụng cặp quan hệ từ chỉ nguyên nhân nói về môi trường

Một bể nước dạng hình hộp chữ nhật có chiều dài 3m, chiều rộng 2m và chiều cao 1,5m. Người ta mở các vòi nước cho chảy vào bể ( không có nước ) . Biết rằng cứ 2/3 giờ thì chảy vào bể được 3000l nước . Hỏi với sức nước chảy như vậy thì bao nhiêu lâu sẽ đầy bể nước