—— I'm sorry I can't help you. —— ________. A. Not at all. B. You are welcome. C. It doesn't matter.
----I am very sorry but I can't help you now. ----_________.
There are about six bridges over Yangtze River in Jiangsu. One is for trains, __________ are all for cars and tricks.
Do you know___________?
My bike is not here. Will you _________ yours _________me?
I can see Eddie _________ his computer _______ the window.