Is there any new solution to _________ the kind of problem?

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You must do ________ you are told to.

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It was so cold that they tried their best to ________ to warm themselves.

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______improve his English, he has made some English friends to help him.

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All of us have been waiting for you for over an hour;you ________ here earlier.

[　　]

A. must have come

B. should have come

C. should come

D. must come

At the beginning SARS was ________ a very serious problem.

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A. regarding as

B. considered for

C. taking for

D. treated as

Many people survived ________ the burning building.

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It is believed that if a book is _______ ,it will surely ________ the reader.

[　　]

A．interested;interest

B．interesting;be interested

C．interested;be interesting

D．interesting;interest

Sandy could do nothing but _______ to his teacher that he was wrong.

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Let Harry play with your toys as well. Clare,you must learn to _______.

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