Câu hỏi: Clean air is necessary ........... our health.

A. to

B. for

C. on

D. with

Câu 1: The roofs are covered ............. red tiles.

A. of

B. with

C. to

D. by

Câu 2: Are you excited .......... going on holiday next week?

A. with

B. about

C. to

D. by

Câu 3: Boys! Put your toys ............ It is time to go to bed. Don't stay ............. late.

A. off / on

B. away / up 

C. down / off

D. around / for

Câu 4: When are you leaving ......... Singapore? This week or next week?

A. for

B. in

C. to

D. at

Câu 5: She is very angry ......... me.

A. to

B. with

C. of

D. for

Câu 6: What do you often do ............ the evening?

A. on

B. at

C. for

D. in