题目内容:
Mary picked up her children’s clothes that ____on the floor.( )
A.lie
B.were lying
C.have lain
D.will lie
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析:
Mary picked up her children’s clothes that ____on the floor.( )
A.lie
B.were lying
C.have lain
D.will lie