The little boy didnt know ( )
A、which hat is his B、which hat his is
C、which hat was his D、which hat his was
为什么主句是过去式 反而选B呢？
既然大家这么厉害 多问几题好了
2、i dont understand ( )believe him
A、why dont you B、why you not
C、why you dont D、why not you
大家有个统一答案好不好 这个答案我要上交的
3、这个机器人会随着音乐跳舞
the robot can (______ ______ _______ _______ )