1:Tomorrow,they____themountainA:wouldbeclimbingB:willbeclimbingC:willclimbD:wouldclime2:Idont,sknowwhetheritwillrainornot,butifit__,Ishallstayathome.A:willB:rainsC:wasD:does3:Thesun__earlyinsummer.A:alwaysrisesB:do

　　1:Tomorrow,they____themountain

　　A:wouldbeclimbingB:willbeclimbingC:willclimbD:wouldclime

　　2:Idont,sknowwhetheritwillrainornot,butifit__,Ishallstayathome.

　　A:willB:rainsC:wasD:does

　　3:Thesun__earlyinsummer.

　　A:alwaysrisesB:doesn,tpreferC:isalwaysrisingD:willrise

　　4:Ilikeblacktea,butTom___greentea.

　　A:don,tpreferB:doesn,tpreferC:perfersD:willprefer

　　5:Ifyou___smoking,yourhealthwillimprovesoon.

　　A:gaveupB:havegivenupC:giveupD:willgiveup

　　(请详细解释选择的原因,