Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet? —Of course, I know. It’s impossible for me to buy_____ there.

Don’t worry about me, mum! I can _________ myself.

I took lots of photos in Hainan.—Really? Could you show ______ to me?

We’re so tired, could we stop_____________.

Please turn to page and look at the picture in this unit.