. I want to be very careful to talk only about ____ we've formally tested. A. which B. that C. what ...
2023-01-05 16:52:19 37次 湖南省2010届高三6月份适应性模拟考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
.
I want to be very careful to talk only about ____ we've formally tested.
A.
which B.
that C.
what D.
whether
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