introduce … to… for free donate … to…
prepare … for… on average inform … of
1.According to this research, ________ women live between five to seven years longer than men.
2.Before I open the letter, let’s _________ ourselves _______ the news, whether it is good or bad.
3.I think doctors should ________ the patients _______ the side effects of the medicine they take.
4.Peter, I want to _________ you _________ my family.
5.He has offered to do the job ___________.
6.Do you think you are willing to ___________ some of your time ________ the volunteer work?
1.The job wasn’t ___________ enough for me. I want something more creative. (富有挑战性的)
2.She is studying American ____________ at Georgetown University at present. (文学)
3.The students are working hard every day, in ___________ for the big examination. (准备)
4.Older people often complain that the younger ____________ don’t know what hard work is.
5.It takes an _________ of two weeks to finish a task like this. (平均)
6.The village schools are in great need of ______________ teachers. (有经验的)
7.Have a rest before you __________ with your reading. (继续)
8.The Internet is ___________ at a very fast speed. (发展)
9.People in this neighborhood can use the gym at no _________ cost. (额外的)
10.The Ming ___________ ruled China from 1368 to 1644. (朝代)
He is a great success as a scientist, but he hasn’t ________in teaching.
A. many experiences B. much experience
C. an experience D. a lot of experiences
We will inform you __________ writing ________ the changes as soon as possible.
A. for … in B. at … on
C. in … of D. on … about
It is ________ deep regret that we have to report the death of the pupils.
A. to B. of
C. with D. in
We’ll be having a picnic this afternoon by the lake. Why don’t you come and ________ us?
A. take part in B. attend
C. join D. enter
