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

A. stop

B. stops

C. would stop

D. stoped

Câu 1: You must do your homework more ……. in the future.

A. careful

B. care

C. careless 

D. carefully

Câu 2: People in my country are very open and _________.

A. friend

B. friendy

C. friends

D. friendly

Câu 3: They are going ____________ Halong Bay in this summer vacation.

A. visit 

B. visiting

C. to visit

D. visited

Câu 4: Hoa doesn't like the city because she cannot …………  the busy traffic there.

A. use to

B. get use to

C. get used

D. get used to

Câu 5: Nowadays, children spend too much time  ………… in front of the computer.

A. sit

B. sitting

C. to sit

D. sat

Câu 6: Mai enjoys ….. sea food with her parents.

A. to eat 

B. eating

C. eat

D. to eating