【題目】Amy has to look after her sister on Sundays. (改為否定句)

Amy______to look after her sister on Sundays.

【答案】doesn’t have

【解析】

句意:艾米星期天得照顧她妹妹。

根據(jù)題意是變成否定句,這里是一般現(xiàn)在時(shí)態(tài),含有情態(tài)動(dòng)詞have to,主語(yǔ)是第三人稱單數(shù),變成否定句要借助助動(dòng)詞does+not+動(dòng)詞原形。故答案為doesn’t have

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