They would have finished building the bridge without the rain, but it ________ for a whole month.

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－How long have you been waiting here?

－Only fifteen minutes. We ________ here by bus.

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－If I go without him...

－Oh, ________ to go alone?

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It ________ two weeks since she ________ down the stairs.

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CLOSED DUE TO ILLNESS, ________ on the office door.

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By the middle of the twenty-first century, the robot ________ a necessity in every home.

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By the time a baby ________ his first birthday, he should, without the help of an adult, ________ sit up or even stand up.

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Hello, I ________ to telephone you all day. Where ________?

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He ________ there, lost in thought. He felt as though he ________ for ever his power of judgement.

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What do you think of this piece of wood? I'm sure it ________ a very good shelf.

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