_____ of the population in China ____ hardly to say.A. A number , isB. The number ,areC. The number , is
---Tom’s never afraid of dogs,________? ----_________. Nothing can frighten him.
---________ does the baby mouse weigh? ---- About 20 grams.
Girls, I’ll tell you _______, and you can do it ________.
Our school _________ be an old shoe factory, now we ___________studying here. It is a good place to study.
Let me show you some photos of beautiful nature ______ you and you can bring them _______ you.