They’re getting _____ Hong Kong tomorrow.[ ]

What __heavy rain it was！—Yes, but I love___ air after it rains. It smells so fresh.

Why don’t we take a taxi to the Olympic Sports Center in Hexi? —I can’t ____ it. Let’s take the bus instead.

I often play computer games_____ the Internet.[ ]

We should return the books to the library _______ time.[ ]