相关MrLiI的文学知识

问题详情：—PleasetellmewhatIsaidjustnow?—Sorry，Mr.Li.I__________thebirdsinthetreeoutsidetheclassroom.A.watched        B.amwatchingC.waswatching   D.havewatched【回答】C知识点：动词时态题型：选择...