课时作业(十七)[必修4Unit2Workingtheland](限时:35分钟)Ⅰ
单项填空1.It'snoteasytolearnEnglishwell
________asmuchaspossibleisnecessary
A.HavingreadB.ReadC.ReadingD.Tohaveread2—.Iregret________youthatJohnhasbeenfired
—Icanhardlybelievemyears
Heissuchafineworker
A.tellingB.havingtoldC.totellD.tohavetold3.—Thecarsgiveoffagreatdealofwastegasinthestreets
ButI'msuresomethingwillbedoneto________airpollution
A.reduceB.removeC.dropD.warn4.Havingbeenpraisedbytheteacher,thelittlegirlranbackhome,________.A.happilyandsatisfiedB.eagerandexcitedlyC.happyandsatisfiedD.anxiouslyandexcitedly5.Thediamondmine________accidentallybyalittleboywhenhewasplayinghideandseek
A.discoveredB.wasdiscoveredC.hasbeendiscoveredD.woulddiscover6.InBangkoksevereflooding,manymajorroads________north,towardstheareasworstaffectedbythef