题目内容
用括号中所给单词的适当形式填空
-Who ________ (swim) in the river over there?
-I'm not sure, but I think it ________ (be) Tom.
答案:
解析:
解析:
|
is swimming; is |
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题目内容
用括号中所给单词的适当形式填空
-Who ________ (swim) in the river over there?
-I'm not sure, but I think it ________ (be) Tom.
|
is swimming; is |