(   ) 3. ―When will she come back from her summer holiday?
     ―I'm not sure. Maybe      a week.

A. before    B. in C. after    D. at

(   ) 2. ―How are you going to meet your aunt at the airport      Thursday morning?

       ―I'm going there      my car.

   A. on,in    B. on,by    C. in,by   D. in,in

(   )1.一What would you do      the lost library book?

      ―I would try to find it or pay      it.

A. for,to B. about,for C. with,for D. with,to

(   ) 20. I will stay in Beijing for      days.

A. two and three    B. two or three

C. second and three    D. two and third

(   ) 19. We will have to do it      time.

A. the second    B. second C. a second    D. two

(   ) 18. I need      days before the work is finished.

A. three another    B. another three

C. other three    D. the other three

(   ) 17. When I came back,I found everything in the room was      

A. at six and seven    B. at sixes and sevens

C. sixs and sevens    D. on sixes of sevens

(   ) 16. The students arrived there by      

A. two and three    B. twos and threes

C. two or three    D. second and three

(   ) 15. Abraham Lincoln was born on      

A. February the 12th， 1809           B. 1809, February the 12th

C. February of 12th， 1809            D. 1809，the 12th of February

(   ) 14. He served in the army in       when he was in his twenties.

A. 1940，s      B. 1940s    

 C. the 1940's    D. the 1940s'