28. This morning Ms. Green entered our classroom, and us something important about the co

发布时间：2020-08-16 06:54:59


28. This morning Ms. Green entered our classroom, and      us something important about the ing exam, left.
A. having told
B. told
C. telling
D. to tell

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(答案→)A. having told
B. told
C. telling
D. to tell
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