Jack wasn't saying anything, but the teacher smiled at him ________ he had done something very clever.(2011·湖南)
A.as if | B.in case |
C.while | D.though |
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Jack wasn't saying anything, but the teacher smiled at him ________ he had done something very clever.(2011·湖南)
A.as if | B.in case |
C.while | D.though |