【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】

　　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