【高中英语】状语从句语法题!___thesedosputesaccountforasmallpartinthecooperation,thesuddenfrictionshaveaffectedtheinvolvedcompanies.A.whenB.asC.whileD.however--youwon'tgotoattendjack'sbirthdayp

　　【高中英语】状语从句语法题!

　　___thesedosputesaccountforasmallpartinthecooperation,thesuddenfrictionshaveaffectedtheinvolvedcompanies.

　　A.when B.as C.while D.however

　　--youwon'tgotoattendjack'sbirthdayparty?

　　--yes,___invited

　　B.unless C.if （为什么不能选B）

　　itwashalfayear___mygoodfriendreturnedtohishometown.

　　A.before B.since C.that D.when

　　it's____ fineweather____wealldecidetopayavisittoqingdaoonnationalday.

　　B.so;that C.such;that （为什么不能选B）

　　___WuDongbois,hehasbecomepopularthroughoutthewholecountryforhisexcellentperformanceonTV.

　　A.childas B.asachild

　　--thepaintingismuchtooexpensive,inmyopinion.

　　--iamdeterminedtogetit,___thecost

　　A.however B.whatever C.whichever D.wherever