--- How many students are there in your class? --- Forty,and ________ of us are girls.
---______ is the population of the town?---Over 20,000. And a third of the population ____ workers of the car factory.
This pair of socks ______ worn out. I'll have to buy a new ______.
Let's look at the bag. Can you see _____“s” on the corner of_____ bag?
---Do you think I could borrow your English-Chinese dictionary?---_______.
It’s raining so__________ that we can _________ go out now.