题目内容
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Did John used to write to his mother every month?
A B C D
下列句子A、B、C、D四处，其中有一处有错误，请指出。
The yellow shirt isn't so nice as the blue one and the white one.
You hadn't a meeting yesterday.
She began to play the piano for 5 years.
At last the Chinese people won a victory on the Japanese.
