题目内容
句型转换
My mother is at home now. (变过去时)
My mother ________ at home yesterday.
答案：was
解析：
解析：
|
is的过去式是was。 |
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题目内容
句型转换
My mother is at home now. (变过去时)
My mother ________ at home yesterday.
|
is的过去式是was。 |