-Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet.
.--Look, there are ______number of ducks swimming in the river.--Yes. ______number of them is over ten.
--Will Tom come to our party?--______I’m not sure.
They were all very tired, but ______of them took a rest.
After the hard work, what we want is ______a rest.
You _____keep the water running all the time, because you’re wasting water.