题目内容
When he saw a little boy ______ in the river, he took off his shirt and jumped into the water.
A.struggles | B.struggling | C.to struggle | D.struggle |
B
解析

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题目内容
When he saw a little boy ______ in the river, he took off his shirt and jumped into the water.
A.struggles | B.struggling | C.to struggle | D.struggle |
B
解析