It was not until 1920 ________ regular radio broadcast began.

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It was about 600 years ago ________ the first clock with a face and an hour hand was made.

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－What was the party like?

－Wonderful. It's years ________ I enjoyed myself so much.

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I like ________ in the autumn when the weather is clear and bright.

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It worried her a bit ________ her hair was turning gray.

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I hate ________ when people talk with their mouths full.

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It was not ________ she took off her glasses ________ I realized she was a famous film star.

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It was only when I reread his poems recently ________ I began to appreciate their beauty

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－I think George doesn't really care for TV plays.

－Right, ________ he still watches the programme.

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It was in the mountain village, _____ he stayed for a few days, _____ a beggar was beaten to death.

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A．that; that　　　B．which; which

C．where; that　　D．where; which