While working in the countryside, the students a great deal of knowledge on plant life. A. looked up...
2023-02-07 00:14:40 75次 20102011学年四川省高一下学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
While working in the countryside, the students
a great deal of
knowledge on plant life.
A. looked up B. picked
up C. put up D. called up
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