The secretary listened carefully ________ he might discover what she wanted.

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Every possible means ________ to solve the problem.

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－How are you today?

－Oh, I ________ as ill as I do now for a very long time.

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After studying Japanese for some time. I found that ________ Japanese words came from Chinese.

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Jack prefers basketball ________ football but I ________ football better.

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Jack is one of those men who I am sure always do ________ best even in the most difficult situations.

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The day breaks ________ the birds are singing.

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The construction of the building ________ .

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A．must finish

B．must have been finished

C．must be completed

D．must complete

It was ________ late to catch a bus after the party, therefore we called a taxi．

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________ the three of us, we need another man to do the work.

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