1. He was a farmer ___________, but now he is a rich merchant.

4. We _______ the method to our study, which does work..

　 　　 at a time　 at one time　 at no time　 in no time　 at that time　 by the time　

at the same time　 at times　 at all times

3. He has _________the American Consulate(美国领事馆) ______ a passport.

2. we ____________________ studying English to learn it well.

1. Many college graduates want to ____________ this job in the company.

5. ________________ students in our class is 60.

apply for　 apply to　 apply oneself to　 apply to sb. for sth

4. ________________ changes have taken place in our hometown.

3. ________________ student has finished their homework after class.

2. __________________ money has been spent on the highways.(大笔资金已花费在建造高速公路上)

　 a good many　 many a　 a number of　 the number of　 a great amount of　

1. __________________ students have done these experiments.(一些学生已经做了这些试验)