He is____ friend of____  writer’s.

A．／：the       B．a；the        C．a；a           D a；／

—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

一 What in ____ world do you like most in _____ world?

一 I hope  _____  world is _____peaceful and fair world.

As we all know．____life is hard for any of us. If we live___ happy life，we must all work harder.

The financial crisis has put the world economy in a difficult _________.

—Paul has gone abroad to try his luck.

—In my _______, his decision is not wise.

—Jack Brown is very clever and he studies hard as well.

—No ________ he comes out first in the exams.

As is well known, the brain performs a very important _______, which controls the nerve system of the body.

He managed to reach the summit of his career, but it was at the _________ of his health.

 —She got her first science fiction published．It turned out to be _________.

—when was that?

—It Was in 2008__________ she was still in college．