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

A. for

B. in

C. to

D. at

Câu 1: We have to apply effective measures to save many plant and animal species ........ extinction.

A. from

B. in

C. for

D. on

Câu 2: She is very jealous ......... her sister.

A. to

B. of

C. with

D. by

Câu 3: Due to industrialization, we have to cope ... the fact that many  species are ......... danger ........ extinction.

A. over / at / for

B. at / upon / over

C. for / on / with

D. with / in / of

Câu 4: We are looking forward ....... seeing you again.

A. to

B. of

C. for

D. by

Câu 5: Can you help me, please? I can't see the differences .......... these words.

A. from

B. in

C. between

D. about

Câu 6: Miss White was very upset .......... the news of her father's death.

A. with

B. about

C. at

D. for