Câu hỏi: Nowadays, children spend too much time  ………… in front of the computer.

A. sit

B. sitting

C. to sit

D. sat

Câu 1: People in my country are very open and _________.

A. friend

B. friendy

C. friends

D. friendly

Câu 2: You must do your homework more ……. in the future.

A. careful

B. care

C. careless 

D. carefully

Câu 3: If you _____ up all the orange juice that was in that carton, you ought to go out and get some more.

A. drank

B. drinking

C. drunk

D. drink

Câu 4: Lan and Hoa………… to the public library often last month.

A. aren't go

B. don't do

C. didn't go

D. won‘t go

Câu 5: If the machine _______, press this button.

A. stop

B. stops

C. would stop

D. stoped

Câu 6: You should ……. early if you want to do morning exercise.  

A. get up

B. getting up

C. to get up

D. to getting up