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It is not until 1997 he entered universityA.whichB.thatC.whenD.since

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It is not until 1997 he entered universityA.whichB.thatC.whenD.since

It is not until 1997 ______ he entered university

A.which

B.that

C.when

D.since

试题答案

B

解析:

这是一个强调句。强调句的句型是“It is(was)...that(who)...”。