Are there any fish in the river?A. Yes, there is. B.Yes, there are.
Mike’s aunt has a sister.She is not Mike’s aunt.Who is she?
When the traffic light(交通信号灯)turn red,you should ______ .
______ don’t use gas(汽油).
Whose skirt ________ ?
A: The shoes are too small. B: You can ________ .