Nothing ________ while I was away.

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—Have you worked in the new factory?

—Not yet, the project ________.

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She said she’d rather you ________ tomorrow instead of to-day.

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I must get there earlier. John has suggested that I ________ an hour before the discussion begins.

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After driving for 20 miles, he suddenly realized that he ________ in the wrong direction.

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I'll come to call on you the moment I ________ my work.

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My pen ________; I have looked for it everywhere but still ________ it.

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A．has lost; don't find

B．is missing; don't find

C．has lost; haven't found

D．is missing; haven't found

What he wants to know is when and where the project ________.

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—Tom, you look puzzled. Do you understand it?

—Yes. I ________ another problem just now.

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When I was a little girl, my teacher told me that the earth ________ round the sun.

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