---Excuse me, could you tell me _______?---Sorry, sir. I wasn't there at that time.A. how did the accident happenB. how the accident happenedC. how does the accident happen
This TV show is very __________, and you can learn many things.
_________ it is snowing, it isn’t very cold.
Tom and Mike are _____________.
Please call ________ ___________ 4365874.
如果你丢了一个笔记本,你要写一个寻物启事,如何写标题?