单项选择题
I like climbing mountains （） my wife prefers water sports.
A. as B. when C. for D. while
单项选择题 Thirtymilesawayfromthetown，therobbers（）thecaranddisappearedintothewoods.
单项选择题 Ifwehadadequatetimetoprepare，theresults（）muchbetter.
单项选择题 Ican（）somenoisewhileI’mstudying，butIcan’tstandloudnoise.
