What idea can a man who is blind from birth have_____ color?

A. in 　　                 B. / 　　                            C. with 　　          D. of

- Do you go there ____ bus?           - No, we go there ____ a train.

A. in; on             B.on;on                            C.by;in                      D.by; with

Finally they agreed ____ the terms of the contract.              

A.on                    B.to             C.with           D.at

If you run ____ two hares you will catch neither.   

A.into            B.after                  C.off                  D. out of

1 feel that one of my main duties ______ a teacher is to help the students to become better learners.

A. for                  B. by               C. as                D. with

Go back ___ you came from.    A. until       B. where       C. which        D. when

We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as

The two rings are so alike that it is difficult to tell one the other．

A．very；to B．much；to C．much；from D．very；from

_______ going to French evening classes twice a week she does yoga on Wednesdays.

A. Because of  B. Except  C. Besides     D. But for

Hurry up, ____ you'll be late.         

A. or                B. and             C. so             D. yet