【以下用适当的情态动词填空1.nobody___livewithoutairandwater2.-___hespeakchinese?YES,alittle3.thebook____bereturnedbeforesaturday4.you___giveupsmokingatonce.it'sbadforyourhealth5.Excuseme.___iaskyouaquestion?6.the】

　　以下用适当的情态动词填空

　　1.nobody___livewithoutairandwater

　　2.-___hespeakchinese?YES,alittle

　　3.thebook____bereturnedbeforesaturday

　　4.you___giveupsmokingatonce.it'sbadforyourhealth

　　5.Excuseme.___iaskyouaquestion?

　　6.thetrainwillleaveathalfpastsix,soi__gettherefifteenminutes,earlier

　　7.youdon't____worryabouther.sheismuchbetternow.

　　8.ifyouwanttopasstheexam,you___workharder