Jack wasn’t saying anything，but the teacher smiled at him________he had done something very clever. ...
2022-11-06 19:01:46 19次 2014-2015学年浙江嵊泗中学高一上第三次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Jack wasn’t saying anything，but the teacher smiled at him________he had done something very clever.
A．as if B．in case C．while D．though
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