Câu hỏi: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have

Câu 1: How different a picture we now have of the ocean as the sea has begun to reveal its secrets.

A. public

B. opening

C. knowledge

D. schooling

Câu 2: She had a cozy little apartment in Boston.

A. uncomfortable

B. dirty

C. lazy

D. warm

Câu 3: The wise man has long ears and a short tongue.

A. short

B. prolonged

C. high

D. crooked

Câu 4: 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 5: Fish only species that are not of concern, threatened or endangered.

A. bettered

B. born

C. safeguarded

D. taught

Câu 6: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy