. He hesitated about the brake, otherwise the accident ______.

A. could have been avoided                             B. could have avoided  

C. would have avoid                                D. should have been avoided

Jerry, why ______ you leave your things on the floor like this?

A . would          B. need             C. must                    D. may

 Measures have been taken to prevent accidents, but much ______ for more improvement.

A. remains to be done                                  B. is remained to do    

C. remains to do                                        D. is remained to be done

 ---May I look at the menu for a little while?

---Of course, ______ sir.

A. don't worry              B. it doesn't matter        C. enjoy yourself    D. take your time

The young man was driving his new car, bought only three days ago, in the__________of the airport, when an accident happened.

       A．way         B．path            C．route           D．direction

 Jerry rushed home ____ he heard the news, only ___ that his wife was gone.

A. as soon as, finding     B. immediately, to find    C. the moment , fine   D. when, found

Some children want to challenge themselves by learning a language different from ________ their parents speak at home.

     A．不填               B．which          C．one           D．what      

________, you need to give all you have and try your best．  

     A．Being a winner                     B．To be a winner              

              C．Be a winner                         D．Having been a winner

Financial markets will be disturbed as ______ business adjusts its working approaches and policies from an assumption of 3-3.5% potential output growth.

A. compulsory     B. conventional        C. contradictory          D. contemporary

—Very little use was _____ the waste water in the past．

         A．made of    B．make from              C．made up   D．make into