Câu hỏi: Our teacher doesn’t let us -------------- gum in class.

A. chew

B. chewing

C. to chew

D. chews

Câu 1: He didn’t want cash, so I paid the bill ----------- credit card.

A. by

B. with

C. in

D. on

Câu 2: You --------- eat and drink in class.

A. must

B. mustn't

C. have to

D. don't have to

Câu 3:  We managed ---------- home before the rain started.

A. to get

B. get

C. getting

D. got

Câu 4: Jim doesn’t enjoy-------------- sport.

A. to do

B. doing

C. do

D. to doing

Câu 5: When my children were little we -------- hours playing in the garden.

A. used to spending

B. used to spend

C. are used to spending

D. are used to spend

Câu 6: It’s hard ------------ my father as a child.

A. imagine

B. imagining

C. imagines

D. to imagine