关于Whatwereyoudoingwhen的百科

• —Whatwereyoudoingwhenwewereplayingbasketballyesterdayaf...

• 问题详情：—Whatwereyoudoingwhenwewereplayingbasketballyesterdayafternoon?       I______theclassroom.      A.wascleaning   B.havecleaned   C.willclean  D.clean【回答】A知识点：动词时态题型：选择题...
• 2019-06-2411225