题目内容

I can________ things with a clear conscience. I did everything I could.

A. look back on
B. look at
C. look up
D. look up to

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What does EU _________?

A. stand for
B. stand up
C. stand on
D. stand in

Can you leave the door ________ so I can get in?

A. on the latch
B. on the way
C. on the wall
D. on the whole

Building ITS is the available method increasing present systems _________

A. by a large margin
B. by all means
C. by and by
D. by any chance

Public order is primarily an ___________ problem. 公共秩序主要是一种城市问题

A. urban
B. rural
C. suburban
D. city