—What is the population of China? —China has ____population of l.3 billion.A.the;the B.a;a C.a;the D the;a
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
---Have you called Mr Johnson’s office? ---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.
Word comes _____ free books will be given to ______come first in this book fair.
The fire _______ before the fire-fighters arrived.
With some snow on top of it,the Yellow Mountain looked fantastic this winter.Actually, I doubt whether we could visit ______mountian in China.