单项选择题

Hardly（）when a loud explosion was heard.

A. the train had started
B. the train had been started
C. had the train started
D. did the train start

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单项选择题
He told me how he had given me shelter and protection without which I（）of hunger and cold.

A. would be died
B. would have died
C. would die
D. will have died
单项选择题
There are so many restaurants along the street that I'm not sure which one（）.

A. to be eating at
B. to eat at
C. eating at
D. for eating at
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