13. Whether we’ll hold the sports meet depends on the weather, _____?

A. won’t we               B. shan’t we

C. doesn’t it             D. won’t it

28. It has always been the _____ of our goverment to encourage graduates to start their business.   

   A. plan                 B. campaign           C. procedure           D. policy

3.  ______, I think, and all the problems could be settled.

A. If you make more efforts

B. Making more efforts

C. A bit more effort

D. To have made more efforts

He was unaware of the financial crisis involed, so his choice was quite_____.

   A. rational            B. arbitrary           C. mechanical         D. predictable

11. —Did you look up the time of trains to Shanghai?

   —Yes, the earliest train is  _____to leave at 5:30 am.

    A. likely           B. about

C. possible         D. due

7. —She was late for the party.

—That’s _________she had forgotten the exact time.

A.why                                        B.how?

C.because                                     D.whether?

　　 This is the very toy car ________ which he came here the other day.

　　A. by  B. in  C. for  D. on

----What do you know the _____ of are the pig influenza in humans?

   ---- usually similar to regular human seasonal influenza .

   A. symptoms          B.sympathy           C.symbol            D.symptom

3.  ______, I think, and all the problems could be settled.

A. If you make more efforts

B. Making more efforts

C. A bit more effort

D. To have made more efforts

—I really like the modern digital camera you lent me last week.

—　______　　　.

—And thank you very much for letting me keep it so long.

A. I’m glad you like it     B. Don’t mention it

C. I hope you like it         D. That’s all right。