There is a discount for the cost of the 6-week English course _____ you pay in advance. A. provided ...
2022-09-18 17:21:43 201次 北京市海淀区2017-2018学年高二第二学期期中英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
There is a discount for the cost of the 6-week English course _____ you pay in advance.
A. provided that
B. in case
C. even if
D. as though
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