The classroom is big enough ________, but we'll have to move if we have more students.

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－My mathematics is very poor.

－Don't worry. I'll help you ________ I can.

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Don't turn ________. Go ________ this street till you see the school.

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－I've got the position ________ I am by hard work.

－No, you didn't. You got ________ with your father's money.

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________ at the school, the clock on the wall ________ seven.

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A．While Tom arrived; was heard striking

B．The moment I arrived; happened to be striking

C．As soon as I reached; happened to strike

D．On arriving; struck

Space exploration has been made ________ with the rapid development of science.

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Something must be done to protect the party ________.

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The athlete in charge of the team ________ today. Which of the following is not right?

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The librarian intended ________ all his debts at the end of the year.

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Fast food chains used to be found only along highways or in business areas ________ people used to grab a quick lunch before returning to work.

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