I talked to him on the phone. He ________ worried.

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His face turns red because he is ________.

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I ________ China and I will see the Great Wall.

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It's a good study habit to ________ every day.

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单项选择

You should drink ________ water, it's good for your heath.

Is she fond ________ singing?

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Do you ________ I open the window?

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What do you ________ the song?

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You are getting fat. You ought to lose weight. You should ________ more.

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John ________ his balance and fell down from the ladder.

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