Câu hỏi: 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 1: Fish only species that are not of concern, threatened or endangered.

A. bettered

B. born

C. safeguarded

D. taught

Câu 2: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

Câu 3: Last night they stayed at home and watched TV.

A. day

B. noon

C. midnight

D. morning

Câu 4: It is easy to open a shop but hard to keep it always open.

A. welcome

B. appear

C. switch

D. close

Câu 5: Be quiet or you'll wake the whole house!

A. still

B. noisy

C. peaceful

D. tranquil

Câu 6: Keep only fish that you will eat; release the rest.

A. catch

B. hold

C. take

D. have