Mrs. Black isn’t in and I’ll have to ring ___. I would appreciate it if you ring ____ after 6 o’cloc...
2023-01-11 09:54:37 121次 吉林省长春市20092010学年高二5月月考英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mrs. Black isn’t in and I’ll have to ring
___. I would appreciate it if you ring ____ after 6 o’clock.
A. off;
back B. up; off C.
out; up D. back; off
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