c3:put the verbs in brackets in the present perfect tense
1>She(live) with her aunt since she was ten.
2>I(wait) for two hours,but she(not come)
3>This is the first time they(be) to Ha Noi.
4>We(not be) there since Christmas.
5>(you/ever see) that film before?
6>How long(you/study) English?-For 4 years.
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Sinh Học lớp 12
