Câu hỏi: They don't seem particularly worried about the situation.

A. concerned

B. pleased

C. frightened

D. excited

Câu 1: At times, this can be risky, and the keepers have been injured and one has been killed.

A. good

B. useful

C. healthy

D. secure

Câu 2: Fish only species that are not of concern, threatened or endangered.

A. educated

B. healed

C. defended

D. brought

Câu 3: Some couples see single women as a threat to their relationships.

A. married

B. lonely

C. divorced

D. alone

Câu 4: Advanced students need to be aware of the important of collocation.

A. of high level

B. of great important

C. of low level

D. of steady progress

Câu 5: The speaker likes to have an attentive audience.

A. neglecting

B. positive

C. active

D. interested

Câu 6: It's too far to ride to your grandmother's; you'd better take the bus.

A. remote

B. near

C. fast

D. besides