题目内容

He looks tired, he（)too little sleep.A、must haveB、must have hadC、must have been

A.must have
B.must have had
C.must have been

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Xiao Wang（)a university student next year.A、isB、will beC、is being

A.is
B.will be
C.is being

They attached great importance ____ the friendship between the two countries.A、forB、of

A.for
B.of
C.with
D.to

I'll just go and（)what's going on outside.A、findB、find outC、look

A.find
B.find out
C.look

We can send you our sample（).A、on requestB、by requestC、in request

A.on request
B.by request
C.in request