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第1题

It.s known that walking _of great help to older people. A. is B.are C.be D. was
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第2题

he manager, together with his wife and two sons, _to arrive on the morning flight. B. will A. are C. is D.are going
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第3题

They had to _a lot of noise while the buildings were under construction. A.go in forB. hold on to C. put up with D. keep
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第4题

These plastic flowers look so__that many people may think they are real. B. natural A. beautiful D.similar C. artifici
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