Câu hỏi: It's cool and quiet everywhere except in the kitchen.

A. windy

B. freezing

C. cold

D. hot

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: He had never experienced such rudeness towards the president as it occurred at the annual meeting in May.

A. thought

B. hostility

C. care

D. politeness

Câu 4: Man alone is born crying, lives complaining, and dies disappointed.

A. together

B. lonely

C. altogether

D. total

Câu 5: We know not what is good until we have lost it.

A. find

B. count

C. guess

D. learn

Câu 6: They don't seem particularly worried about the situation.

A. concerned

B. pleased

C. frightened

D. excited