People try to avoid public transportation delays by using their own cars, and this ________ creates more problems.

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What were you doing when I phoned you last night?

I ________ my painting and was starting to take a bath.

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A．have already finished

B．was finishing

C．had just finished

D．was going to finish

Jimmy failed in the exam again yesterday.

________? He was working hard all the time!

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CCTV is exactly like a window on the world ________ you will sit by it and fix your attention on what it shows.

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Why did you eat your words, Billy?

Sorry, dear. But I really forgot where I was ________ to meet you.

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If you can dream ________, you can do ________.

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The fat boy was made ________ more exercise to lose weight.

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Teaching ________ child to cook will improve many of the skills that he or she will need later in ________ life.

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I asked Miss Jones if I ________ close the window.

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Goodness! You're here now. Where have you been? We ________ you back home much earlier.

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