______ I’m concerned about most is ______ we can collect a huge amount of money in such a short time...
2022-08-07 06:23:14 56次 天津市2019-2020学年高二上学期期末英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
______ I’m concerned about most is ______ we can collect a huge amount of money in such a short time.
A.That; how B.What; if C.What; how D.As; whether
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