_____people who learn Engiish as a foreign language ________more than 750 million.

 His sister left home in 1998, and _______ever since.

Hurry up! The train_______. You know, it________at 8: 30 am.

I have got four day's holiday to Paris. I _______ my father.

Our teacher told us that the earth        around the sun.

He        to keep this book for a month.

Although medical science __________ control over several diseases,what worries us is that some of them are returning.

----How could I apply for a course online?  ----Just fill in this form and we _____ what we can do for you. 

 —I will pick you up at 6 tomorrow morning. —So early! I _______ then.

Mr. Smith ______ the grammar book meant for senior high school students and will almost finish it.

Outdoor activities are as much a part of childhood for this generation of Chinese children as they __________ for their parents and grandparents.

The train_____at the present speed until it reaches Chicago at eleven o’clock tonight.

---When will the expert come and give the lecture on economic development?---Not until our program_______.

I______toward the door to go outside when suddenly Jim opened it.

Henry goes to a free class every Sunday afternoon which______at 4 pm.

After Tom had finished some paper work, he ______ interviewing the applicants.

— We thought he would have got the job.— What a pity! He ______too nervous when interviewed.

When Alice came to, she didn’t know how long she        there.

The book came out in 1973 and it _________into thirty languages ever since.

For some time the expert __________ people of the health risks caused by passive smoking. He     says he won't stop until all the smokers around him decide to quit smoking.