His long speech made _____ difficult for the listeners to un..

His long speech made _____ difficult for the listeners to understand him.[ ]A. thatB. itC. oneD. this

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It was not ____ she took off her dark glasses ____ I realize..

It was not ____ she took off her dark glasses ____ I realized she was a famous film star. [ ]A. when, that B. until, that C. until, whenD. when, then

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People in the west make ____ a rule to buy Christmas present..

People in the west make ____ a rule to buy Christmas presents for their relatives and friends. [ ]A. it B. that C. this D. as

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I dislike ________ when I am left alone to start a conversat..

I dislike ________ when I am left alone to start a conversation with a stranger. [ ]A. thatB. thisC. itD. one

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As the busiest woman in Norton,she made_________ her duty to..

As the busiest woman in Norton,she made_________ her duty to look after all the other people's affairs in that town。 [ ]A. this B. that C. one D. it

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