Câu hỏi:  The deep pool was so brown and weed-covered that it was almost ______.

A. opaque

B. transparent

C. solid

D. invisible

Câu 1: The child enjoyed _____ up the wooden bricks then knocking them down.

A. adding

B. pushing

C. piling

D. forming

Câu 2: Trains stop here in order to ______ passengers only.

A. pick up

B. pull up

C. pull in

D. get off

Câu 3:  Suddenly the crowd _____ and moved back, and the police pushed through.

A. parted

B. halved

C. doubled

D. departed

Câu 4: He was pleased to have the _____ to hear such a fine musician play his favourite piece of music.

A. occasion

B. possibility

C. fate

D. opportunity

Câu 5:  I’ve never seen such a big ______ of feet!

A. size

B. pair

C. set

D. couple

Câu 6:  Can’t you _____ your chief to let you have a holiday?

A. overcome

B. succeed

C. persuade

D. reason