ai biết giúp mk vs
17: They last talked to each other two months ago
=> They haven't ............................................................
18: The last time she saw her elder sister was in 1999
=> She hasn't..................................................................
=> She last.........................................................................
19; She hasn't written to me for many years
=> It's many years ............................................................
=> She last ...........................................................................
=> The last time ..................................................................
20: It's two weeks since they cleanded their room
=> They..................................................................................
21: It's over six months since John had his hair cut
=> John last ............................................................................
=> John hasn't ....................................................................
=> The last time.................................................................
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