【单选题】
Look!Yourcomputeriscoveredwithdust.Whynotputacoveroverittokeepit___thedirt.
【单选题】
—Whomadeaphonecalltomejustnow,David?—Idontknow,butiswasagirls_____.
【单选题】
Weallthinkitnogood_____computergamesallthetime;youwillfallbehindinyourstudy.
【单选题】
Myuncle____inLondon.Ill_____withhimforafewdays.
【单选题】
—MypencilsharpenerislostandIcantfinditanywhere.—So,youllhavetobuyanew______.
【单选题】
Atfirsttheyworriedaboutthesituationbutthings_______quitesatisfactory.
【单选题】
______hewasoutoftheroom,heturnedbackandknockedattheteachersdooragain.
【单选题】
Thewaiterorthewaitressusuallygivesusa_____beforeweorderdishesinarestaurant.
【单选题】
Hecould_____neitherFrenchnorGerman.SoI_____withhiminEnglish.
【单选题】
—_______________________.—Ihavetoweighyourletterfirst.That’sonedollarfifteencents.