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

A. find

B. count

C. guess

D. learn

Câu 1: Last night they stayed at home and watched TV.

A. day

B. noon

C. midnight

D. morning

Câu 2: It's too far to ride to your grandmother's; you'd better take the bus.

A. remote

B. near

C. fast

D. besides

Câu 3: We can do something to save the earth.

A. kick

B. shoot

C. throw

D. destroy

Câu 4: It's cool and quiet everywhere except in the kitchen.

A. windy

B. freezing

C. cold

D. hot

Câu 5: The business was acquired from Orion four years ago.

A. before

B. later

C. ahead

D. last

Câu 6: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway