oftheheavyburdenofhomework,the

_______ of the heavy burden of homework, the children rushed out of the classroom and enjoyed themselves.

A．To be free

B．Freeing

C．To free

D．Freed

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33. To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.

A．leave out

B．take up

C．set aside

D．focus on

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32. This disaster ______ that people had no knowledge of first aid and they hadn’t known how to protect them-selves in face of danger.

A．led to

B．contributed to

C．resulted in

D．lay in

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A．what it is

B．what he does

C．how it is

D．how he does

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30. Yesterday evening I came across the man _____ you think is pleased to _____.

A．who, talk

B．whom, get along with

C．who, work with

D．whom, be talked with

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29. Both the soldier and the horse ______ after the long ride.

A．gave out

B．worn out

C．tested out

D．ran out

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