Having a trip abroad is certainly good for the old couple, but it remains______whether they will enj...
2022-11-11 08:15:45 184次 2016届甘肃省张掖市高一上期末英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Having a trip abroad is certainly good for the old couple, but it remains______whether they will enjoy it.
A. to see B. to be seen
C. seeing D. seen
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