We can't see any apples on the tree. There must be someone them.[ ]A. pick B. picking C. to pic

题目简介

We can't see any apples on the tree. There must be someone them.[ ]A. pick B. picking C. to pic

题目详情

We can't see any apples on the tree. There must be someone            them.
[     ]
A. pick
B. picking
C. to pick
题型:单选题难度:中档来源:四川省期中题

答案

B

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