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

A. size

B. pair

C. set

D. couple

Câu 1:  The deep pool was so brown and weed-covered that it was almost ______.

A. opaque

B. transparent

C. solid

D. invisible

Câu 2:  He will probably be awarded a Nobel prize on account of his _______ achievements in physics. 

A. exposed

B. outstanding

C. conspicuous

D. high

Câu 3: He must give us more time, ______ we shall not be able to make a good job of it.

A. whether

B. otherwise

C. consequently

D. doubtless

Câu 4:  The final ______ of the play will take place on Monday.

A. performance

B. view

C. sight

D. happening

Câu 5: The shoes fitted her _______.

A. perfectly

B. justly

C. rightly

D. finely

Câu 6: The child enjoyed _____ up the wooden bricks then knocking them down.

A. adding

B. pushing

C. piling

D. forming