Mỗi người giải 1 bài Hãy bình luận để cho bn khác giải biết mik chọn bài nào (đừng nhầm mik = người đăng, mik chính là các bn) Nhanh nhất = câu trả lời hay nhất + cảm ơn + 5*

cs bao nhiÊu cách phát âm của các thì trong TA vậy mn

1.It's years since we decorated this room ➞We haven't ......................... 2.I haven't been to Bristol for 3 years ➞The last time... ..................... 3. He hasn't laughed so much for ages ➞It's ages .................................... 4. Lucy hasn't worn that dress since Barbara's wedding ➞The last time............................ 5.I have never been such a mess in my life ➞It's ............................ 6.Robert and Catherine have been married for 4 years ➞It's... ............................ 7.When did Catherine and Henry get engaged? ➞How long........................... 8.I have never seen a dirtier- looking dog than this. ➞It's..................................... 9.Mary rang hours and hours ago ➞It's.................................... 10. It's 2 years since she left university ➞She..................................... 11. The last time she came back to her hometown was 4 years ago ➞She hasn’t ... ............................. 12. How long is it since you saw Mary? ➞When.............................. 13. Noone has challenged his authority before. ➞This is.................................... 14. I haven't seen him for ages ➞It's ....................................... 15. This is the second time I’ve visited London. ➞I’ve .......................................

a) xy + x + y = 3 ; yz + y + z = 8; zx + z + x = 15 .Tính giá trị của biểu thức: Q = x + y + z b)x + xy + y = 1 ; y + yz + z = 3 ; z + zx + x = 7. Tính giá trị của biểu thức : M = x + y² + z³ Đúng mình cho 5 sao + cảm ơn + câu trả lời hay

1.It is a long time since he last met his mother. He hasn’t.................................................... 2.My father hasn’t been to Hanoi for 2 years. It is ..................................................... 3.He hasn’t had his hair cut for a month. It is ........................................................ 4. I haven’t gone to the library for 2 years. It is................................................. 5.They haven’t cut the grass in this garden for 4 months. It is................................................... 6.It’s over a year since they last drank coffee together. They haven’t...................................................... . 7.It’s more than ten years since I last danced with him. I haven’t......................................................... V. 2.I’ve never seen such a big house before. It’s the first time.......... . 3.She has never spoken to a foreigner before. It’s the first time..................................................... . 4.She hasn’t drunk wine before. This is the first time.................................................. . 5.I have never done volunteer work before. It’s the first time....................................................... 6.I have never communicated with a robot before. It’s the first time...................................................... . 7.This is the first time my father has scolded me . My father has.................................................. 8.He hasn’t worked in a group before. It / This is the first time ............

Giải cho em hai bài này với em cho 5sao vs ctlhn nha

_____________ home before 9p.m A. My brother never come B. Never does my brother come C. My brother does comes D. Never my brother comes Chọn đáp án đúng và giải thích cho mình với ạ Cảm ơn...........................................

hêts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

giúp em giải với ạ em cảm ơn ạ :))

Giải em 3 bài này vs ạ em cho 5sao vs ctlhn