题目内容
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提问人：网友zsx19951120
发布时间：2022-01-07
[主观题]
Some of the experiments _________ in the book are easy to perform.
A.being described
B.described
C.to be described
D.having been described
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So his gaze continually shifts and jumps back and forth over the entire landscape in search of something to look at.
