—What’s that? —____________ A. It’s a pen. B. Yes, it is. C. No, it isn’t.
— ______did the baby panda Xi Wang ______ when she was born?— About 100 grams.
The parents __________ food and clothes.
—Look, there is a lot of rubbish in the river.—Yes, it’s said that 80 per cent of fish in this river ________ live long.
The head teacher with his students _________ Mountain Tai if it _________ tomorrow.
______young will like this kind sport,but ______old will not.