几道英语题目,要解析
1、CanIhelpyou?
Yes,doyouknow_
Awhencomesthebus
Bwhenwillcomethebus
Cwhendoesthebuscome
Dwhenthebuscomes
2Hehadnoideahowdifficulttheexperimentwouldbe_
hewashalf.
AuntilBwhileCafterDwhen
3Itwasntasgoodadinner_shehadpromisedus.
AasBthatCwhichDwhat
4Theideathattheearthisflatwas_centuriesago.
Aappointed
Brejected
Chesitated
Dmeasured