We all agree that power is ________ makes things work.

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You can get ________ quite well without knowing the exact meaning of each word.

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—To our delight, Ling Hong's spoken English ________.

—________.

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A．is improving, So he was

B．improves, So do I

C．is improving, So is mine

D．has been improved, So has he

—Won't it be long ________ we ________ the college entrance examination?

—I suppose so.

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Your work doesn't appear to ________ the required standard.

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Hard work ________ success and failure often ________ laziness.

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—Some of the ________ in our laboratory ________ introduced from Japan.

—What about ________?

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The book, which came ________ at the end of last month, was ________ in our city.

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—Why didn't you go to her help?

—I ________, but I ________ seriously ill .

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By the time you got there, they must have finished the work, ________?

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