He asked the man outside ________.A. what is he doing.B. for whom he was lookingC. how long he has been waiting
I have ________ interesting book. _________ book is Millie’s.
The modern traffic has changed our lives .
---Do you know __________? ---Sure, it’s a mouse.
If your homework _, your can watch TV.
The words ________by Mr.Li are marked ________ red.