高一两道英语定语从句的句子,求大神
1.Imustmakefulluseofthetime()lefttomeanddoasmuchasIcantomakeprogress.Awhich.Bthat.Cthereis.Dwhen为什么选C,B哪里错?2.Thebuildingoverthereisalibrary,()isadepartmentstore.Awhere.Bwestofwhich.Ctothewestofit.Dinthewestofwhich为什么选B,D哪里不对?