Câu hỏi: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

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: The business was acquired from Orion four years ago.

A. before

B. later

C. ahead

D. last

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

A. day

B. noon

C. midnight

D. morning

Câu 4: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

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

A. neglecting

B. positive

C. active

D. interested

Câu 6: She had a cozy little apartment in Boston.

A. uncomfortable

B. dirty

C. lazy

D. warm