_____ of the population in China ____ hardly to say.A. A number , isB. The number ,areC. The number , is
Do you think _____ a football match tomorrow?
Next term my sister ________ to draw pictures.
—_____ she have breakfast this morning? —No. She left home _____ breakfast.
Xi’an is one of ______ capital ______ in China.
If we keep planting trees, our country will become ______.