Theyhadmuchdifficultytheproble

They had much difficulty ____________ the problem and they needed our help.

A．working out	B．work out
C．worked out	D．to work out

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Again and again the doctor_______ the crying baby girl, but he couldn’t find out what was wrong with her.

A．looked over	B．looked after
C．looked for	D．looked out

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— Wonderful. I think it’s _____than the other films about youth in recent years.

A．the best	B．the worst
C．much better	D．much worse

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— It’s me. I used to wear glasses and have long hair.

A．by

B．of

C．on

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A．had	B．will have
C．are having	D．were having

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Think it over, _____ you’ll work out the math problem.

A．or

B．so

C．for

D．and

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