a. While I (watch) ......was watching..... a good film on tv, the mailman (come) ........came......... and (give) ........gave....... me a letter.
b. Would you mind If I (smoke) ......smoked......?
c. I (know) ...have known............ her for six years, when I met her, she (work) ....was working............. for a foreign company.
d. The teacher said that we (shall not make).......shouldn't make........... noise in class.
e. It (not rain) .........doesn't rain............... to the party too late.
2/ Viết câu đồng nghĩa với câu đã cho
a.The last time I saw her was in 2005.
I have not ...................seen her since 2005..............................................
b. He is writing a book on biology.
A book on biology ..............is being written by him.......................................
c. She cleaned the house. Then she went to the maket.
After....................she had cleaned the house, she went to the market....................................