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根據(jù)括號內(nèi)的要求轉(zhuǎn)換句型。

1．Lucy often does the housework at the weekend．（改為一般疑問句）

2．It's cold in winter in the north．（對劃線部分提問）

3．My sister often does her homework at home．（對劃線部分提問）

4．Tom plays computer games twice a week．（對劃線部分提問）

5．Zhang Hua eats two eggs every day．（對劃線部分提問）

6．The zebra comes from Africa．（對劃線部分提問）

7．She can speak English．（改為否定句）