There have been no occasions ____ he has come late for school.A．whichB．whatC．whe_刷题宝

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There have been no occasions ____ he has come late for school.

A．which

B．what

C．when

D．that

上一题下一题 0.85难度单项选择更新时间:2013-01-29 09:24:03

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