1.Howunluckyhewas!Acaraccident____tohimlastweekend.
A.washappenedB.hadhappenedC.happendD.washappening
2.-HaveyoueverbeentoShanghai?
-Yes.I___therewithmyfatherlastyear.
A.wentB.havebeenC.havegoneD.go
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