Làm giúp mình bài 3 và bài 5 vs ạ...

I. Put the verbs in brackets in the present perfect or past simple tense. 1. We (never watch) __________ that TV programme. 2. I (have) __________ a little trouble with my car last week. 3. I (not see) __________ John for a long time. I (see) __________ him 3 weeks ago. 4. I (meet) __________ Mary last night. She (become) __________ a very big girl. 5. He is very thirsty. He (not drink) __________ since this morning. 6. It is very hot. Summer (come) __________. 7. They (study) __________ at this school for 7 years now. 8. They (begin) __________ to study at this school 7 years ago. 9. Since when (you know) ___________ her ? 10. She (lose) __________ her handbag on the train yesterday morning. 11. My mother (be) ________ in hospital for a long time and she cannot go home yet. 12. His dog (just run) __________ out of the garden. 13. Mr Brown (travel) __________ by air several times in the past. 14. So far, we (not/ notice) ______________ anything unusual, but we (not/pay) ______________ very close attention. 15. I am sorry I (not/come) ______________ to class lately. 16. I (work) ______________ late in the evenings for the past fortnight. 17. I wonder if Mary (reach) ______________ home yet? She (leave) ______________ too late to catch the bus. 18. Here is the news. The Home Office (announce) ______________ that the two prisoners who (escape) ______________ from Dartooor prison earlier this morning (give themselves up) ______________ to local police. 19. (you/make up) ______________ your minds? What (you/decide) ______________ to do? 20. Harry (leave) ______________ home rather suddenly and we (not/hear) ______________ from him since. 21. Recent research (show) ______________ that Columbus (not/discover) ______________ America, but the Vikings (land) ______________ there five hundred years before him. 22. I think people (become) ______________ tired of the poor quality of TV programmes, though they (improve) ______________ lately. ThS. Triệu Tuấn Anh (Khoa Tiếng Anh, ĐH Sư phạm Hà Nội) Page 2 23. (something/happen) ______________ to the phone lines? I (try) ______________ to get through to Glasgow for the past hour. 24. Bill (get) ______________ that new job, but he (complain) _____________ about it ever since

1/2 .2 + 1/4 .2 + 1/6 .2 HELLLLLP

Gi ải hệ pt: $\left \{ {{x+y+xy+1=0 } \atop {x^{2}+y^{2}-x-y=22}} \right.$

Giúp e giải 3 câu này với ạ e giải mãi kh ra đc=((( Giải hộ e với ạ em cảm ơn

Cho tam giác AOB có AB =18cm ;OA=12cm;OB=9cm .Trên tia đối của OB lấy điểm D sao cho OD =3cm. Qua D kẻ đường thẳng song song với AB cắt tia sởi C.Gọi F là giao điểm của AD và BC a, Tính độ dài OC,CD b, Chứng minh rằng FD,BC=FC.AD c,Qua O kẻ đường thẳng song song với AB cắt AD và BC lần lượt tại M và N.Chứng minh OM

Một hình chữ nhật lớn được ghép bởi năm hình chữ nhật bé bằng nhau .Tính chu vi hình chữ nhật lớn,biết chu vi hình chữ nhật bé là 30cm.(kèm lời giải thích) Mn help mình , có thể vẽ hình và viết ra giấy!

A. a door B. a window C. a face D. a house IV/ Do as directed : (3pts) 1. They built this temple many centuries ago  This temple ………………………………………………………………………………. 2. Can you wait for me a moment?  Do you mind ………………………………………………………………………? 3. She aked me, "Do you want to visit the USA one day?  She asked me if ..................................................................................................................... 4. I / cook / dinner / when / you / phone / me / yesterday.  ……………………………………………………………………………………………..

Giúp emm mấy câu này với ạ,em cảm ơn nhiều ạ

(9+9).3+1/2 +0,5 HEEEEEEEEEEEEEEEEELP