作业帮英语：填空题.全部!
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英语：填空题.全部!
英语：填空题.全部!
英语：填空题.全部!
二、
hasn't visited
Have ,heard
has worked
has had
knows
三、
paid
have spent
cost
took
has worked(since用完成时)
has bought(for用现完)
knows（not only but also就近原则，是否三单看较近的teacher）
paid
have spent
cost
took
1,hasn't visited
2,Have heard
3,has worked
4,has bourght
5,have known
1,payed
2,have spent
3,cost
4,took
has visited Have ...heard has worked has had knows 三.1.paid 2.have ...spent 3.costs 4.took
hasn't visited Have ,heard has worked has had knows 三、 paid have spent cost took
二楼正解 第四个是has bought