题目内容
A: What is the little boy doing?
B: He ______ the tree.
[ ]
A. is climbing on B. is clmbing in
C. is climbing over D. is climbing up
答案:D
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题目内容
A: What is the little boy doing?
B: He ______ the tree.
[ ]
A. is climbing on B. is clmbing in
C. is climbing over D. is climbing up