What did you do last night?______________________A. I do my homework at home. B. I did my homework at home.
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 ________ .