A. 不填; economic growth B. a; economy growth

C. the; economical growth D. a; economic growth

【题目】UN ____ the United Nations.
A.stands for
B.mean
C.takes place of
D.come from

【题目】You watch them until ten o'clock then I'll ______.
A.take up
B.take place
C.take over
D.take off

A. when B. that

C. whether D. how

A. choked down B. choked back

C. choked off D. choked up

A. set up B. speeded up

C. risen up D. sprung up

【题目】The new dictionaries are very useful, and they __________.
A.sell out
B.had sold out
C.have been sold out
D.sold out

【题目】I'm visiting the school ______ my mother taught English ten years ago.
A.that
B.what
C.why
D.where

A. to allow B. allowing

C. allowed D. having allowed

【题目】When he woke up he didn't remember how that _______.
A.came about
B.came out
C.came along
D.came across