问题标题：
【英语时态填空题三、(用括号中动词的正确时态填空.每小题1分,共10分)1.Howpopularsupersonictravel________(become)onceConcordisinservice?2.She______(write)fiveessaysbeforetheendofthisterm.3.Withthedevelopm】
问题描述：
英语时态填空题
三、(用括号中动词的正确时态填空.每小题1分,共10分)1.Howpopularsupersonictravel________(become)onceConcordisinservice?2.She______(write)fiveessaysbeforetheendofthisterm.3.Withthedevelopmentofproductionandscience,radio_______(find)awideapplicationinashorttime.4.ThisistheplacewhereI______(be)born.5.HesaidSusan______(leave)thedaybefore.6.Smithhopedthattheboss______(give)himanearlyreply.7.He_______(work)onthisessaysincethismorning.8.Foralongtimepeoplebelievedthattheearth______(be)flat.9.AnotherdriverhadjustdrivenintothebackofJack'scarwhilehe______(wait)atsometrafficlights.10.It'sbeen35yearssinceTV______(come)tocontrolAmerica
李方方回答：
willbecome
haswritten
hasfound
was
hadleft
wouldgive
hasbeenworking
was
waswaiting
came
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