- Where is John?- He in the libraryA.should beB.must beC.can beD.must have been
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— Where is John?
— He _____ in the library
A.should be
B.must be
C.can be
D.must have been
试题答案
B
must do表示对现在的事实进行推测。
— Where is John?
— He _____ in the library
A.should be
B.must be
C.can be
D.must have been
B
must do表示对现在的事实进行推测。