That’sreallyaproblem;nowondera

That’s really a problem; no wonder all the students looked .

A．puzzled; puzzling	B．puzzled; puzzled
C．puzzling; puzzling	D．puzzling; puzzled

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相关试题

I can’t find the recorder in the room. It ________ by someone.

A．may take	B．may have been taken away
C．must have taken away	D．needn’t have been taken away

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The reason ______ he failed was _______ he was too careless

A．because; because

B．why; because

C．that; that

D．why; that

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When the thief found the police had already ______ him, he ran away quickly.

A．realized

B．known

C．spotted

D．stared

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---I’m sorry. I _________at you the other day.
---Forget it. I was a bit out of control myself.

A．shouldn’t have shouted	B．shouldn’t shout
C．mustn’t shout	D．mustn’t have shouted

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Sir, you are not allowed to enter the building unless you get our manager’s__.

A．permission

B．connection

C．instruction

D．introduction

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