当不知道笼子里的是什么动物时,你可以问:________A.What's this? B.What time is it?
My mum is _____in our family.
There_____a football game on TV this afternoon and I’m going to _____it.
The supermarket is______at this time of day.
It’s time _____to school. We must_____now.
—What does your father do? ---He _____.