1.Although punctual himself, the professor was quite used______late for his lecture.
（A）to have students
（B）for students' being
（C）for students to be
（D）to students' being
2.You should have been more patient______that customer; I'm sure that selling him the watch was a possibility.
3.Neither of the young men who had applied for a position in the university______.
（A）has been accepted
（B）have been accepted
4.This box is too heavy, ______give me a hand?
（A）would you mind
（B）would you please
（C）will you like to
（D）will you please to
5.______he works hard, I don't mind when he finishes the experiment.
（A）As soon as
（B）As well as
（C）So far as
（D）So long as
6.As early as 1647 Ohio made a decision that free, tax-supported schools must be established in every town______50 households or more.
（C）to have had
7.People appreciate______with him because he has a good sense of humor.
（B）to have worked
8.The mad man was put in the soft-padded cell lest he______himself.
9.We love peace, yet we are not the kind of people to yield______any military threat.
10.Although he knew little about the large amount of work done in the field, he succeeded ______other more well-informed experimenters failed.
11.The last half of the nineteenth century______the steady improvement in the means of travel.
（C）witnes ……此处隐藏21101个字……y people like to keep a kind of animal as a pet, such as dogs, cats, birds, and so on. They put so great enthusiasm on them that some pets are treated like their family members. A good relationship between people and pets can be very comfortable. Firstly, They are loyal audiences of you, while you have something that can't tell any one else. Secondly, They occupy the loneliness, cure your pains, make anxious hearts return to peace and innocence. And some pets even can help to cure some mental disease. That's the advantages of keeping an pet. In my view, animals are our human friends, and we should regard the pets as our family members. Keeping pets is very useful for our life. It can bring us a lively and colorful world.