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题目内容
（长春工程学院-大学英语4(专升本)）
31. (单选题) John left home twenty minutes ago. It is usually half an hour’s drive from his home to the office here. So he ____ soon.(本题2.0分)
A、 should have
B、 need
C、 must have
D、 may
A、 should have
B、 need
C、 must have
D、 may
参考答案