Nói chung là mấy hôm nay không đụng đến mấy bài chia động từ nên gần như quên hết
1.Quang_was talking__(talk)to another student when I___saw____(see) him today.
2.Less than half of the cans of paint_had been used_____(use) up to now. (bí rồi

)
3.He is working tomorrow.If he___have___(have)a day off tomorrow,he___would go___(go)to the beach.
4.When Louis came home,he refused to tell us where he(be)___was____
5.Arnold wants to get his degree,so this winter he___is taking___(take)some extra classes.
6.The project had to be stopped for several days,but the problem(now/solve)__is being solved____
After the injured birds______(catch),they were given medical treatment.
7.More people______(depend)on computers nowadays than ever before.
8.If Lisa__doesn't get___(not get)here soon,we(have)___shall have___to leave without her.
9.They___have broadcasted___(broadcast)the programme on TV twice already.
10.TV chat shows___increases___(increase)in number all the time.
11.It was the first time the actor___received___(receive)such bad reviews.
12.I__had been watching____(watch)TV for hours-I've had enough!
13.I___went___(go)to an exhibition of modern art last week.
14.As it___snowed___(snow)all night the roads were blocked
15.We looked out of the window and saw it___was raining___(rain)so we stayed in.
16.I__read____(read)the book you lent me,so you can have it back now.
17.My room___hasn't been clean___(not clean)yet.
18.The house was very quiet when I got home.Everybody___had gone___(go)to bed.
19.Many books___wrote___(write)about the Second World War.
20*.You(not go)___can't go___there because he did not expect you.
21.When we got home,we found the boys(leave)__left___the door open.