Rewrite the following sentences with the given information.

11. They have studied at this school for seven years.

=> They began ...............................................................................................

12. This is the first time I have watched this film.

=> I haven’t....................................................................................................

13. I have never attended such an enjoyable wedding party before.

=> This is the first time ................................................................................

14. I haven’t met him for ten years.

=> I last ............................................................................................................

15. They last visited me five years ago.

=> They haven’t ..............................................................................................

2. The director (want) ___________________ to talk to you right now.

3. __________you (spend) ___________________ your holiday in Dalat last summer?

4. The workers (work) ___________________ in the firm at the moment.

5. They (live) ___________________ here since 1990.

6. I (not, watch) ___________________ a good program on TV yesterday.

7. Please be quiet! You (make) ___________________ so much noise so I can’t concentrate.

8. The moon (revolve) ___________________ around the earth.

9. The headmaster (come) ___________________ to this school in 1985.

10. My father (feed) ___________________ the pigeons at 7:00 last night. 

tìm lỗi sai và giải thích :

When I came to the store to purchase the printer advertise on television, we found that all the printers had been sold.

My company is not only raising his prices but also decreasing the production of his product as well

tìm lỗi sai và giải thích :

Lang said that he knows how the procedures for doing the experiment, but when he began to work in the laboratory, he found that he was mistaken.

tìm lỗi sai và giải thích :

A lot of people are still unaware about environmental pollution around us.

giải thích giúp em ạ

Gruen's (31) _______ was to provide a pleasant, quiet and spacious shopping environment with large car parks, which usually meant building in the suburbs.

a. direction b. aim c. search d. view

 Một vật chuyển động thẳng nhanh dần đều không vận tốc đầu. Biết trong giây thứ 4 vật đi được quang đường 3,5m. Tìm quãng đường vật di được trong thời gian 4s . Chọn chiều dương theo chiều chuyển động

giải thích giúp em ạ

If I were you, I ____ more carefully in the rain.

A. will drive B. would drive C. was driving D. drove