(   ) 15. They left the library       silence.

   A. at   B. in

   C. with   D. on

(   ) 14. When I was walking down the street,I saw a plane        over my head.

   A. to fly   B. flew

   C. flying   D. flies

(   ) 13. At ten yesterday morning I       a book while my father       a letter.

   A. is reading;is writing

   B. was reading;was writing

   C. is reading;was writing

   D. was reading;is writing

(   ) 12. The classroom is so dirty. Can you help       ?

   A. to clean up it   B. clean up it

   C. clean it up   D. cleaning it up

(   ) 11. When        you        the smart hat?

-While my parents were waiting for the plane at the airport.

   A. were;buying   B. do;buy

   C. did;buy   D. will;buy

(   ) 10. The alarm didn’t       this mor ning,so I was late for school.

   A. go out   B. go off

   C. go over   D. go up

(   ) 9. The story happened       the evening of August 2nd.

   A. on   B. in   C. to   D. at

(   ) 8. When I’m        ，I feel a little      .

   A. lonely;lonely   B. alone;alone

   C. alone;lonely   D. lonely;alone

(   ) 7. I       a picture when the police       in.

   A. draw;came

   B. was drawing;came

   C. draw;was coming

   D. was drawing;was coming

(   ) 6. Last night he didn’t       well,so he fell       quickly just now.

   A. sleep;sleep   B. asleep;asleep   C. sleep;asleep   D. asleep;sleep