从ABCD四个选项中选择最佳答案填空。
　　1. English is _________ useful language in the worlD.
　　A. a
　　B. an
　　C. the
　　D. /
　　2.—What colour is _________ orange？
　　—It’s _________ orange.
　　A. a， an
　　B. a， a
　　C. an， an
　　D. an， /
　　3. The _________ in Beijing is very dry in autumn.
　　A. season
　　B. weather
　　C. holiday
　　D. history
　　4. “Help _________to some fish.” Mrs. Green said to the boys.
　　A. yourself
　　B. yourselves
　　C. myself
　　D. herself
　　5. Mr. Smith has two sons， and _________ of them are doctors.
　　A. both
　　B. all
　　C. neither
　　D. none
　　6. She is a friend of __________.
　　A. me
　　B. I
　　C. mine
　　D. my
　　7. September 10th is _________ Day.
　　A. Teacher
　　B. Teachers’
　　C. Teachers
　　D. Teacher’s
　　8. I have _________ friends here， so I often stay at home and play by myself.
　　A. a few
　　B. few
　　C. little
　　D. a little
　　9. I’m thirsty. May I have __________， please？
　　A. two cups of teas
　　B. two cup of teas
　　C. two cup of tea
　　D. two cups of tea
　　10. There are __________ new words in the ________ Lesson.
　　A. fourty， ninth
　　B. forty， ninth
　　C. forty， nineth
　　D. fourty， nineth
　　11. There are about five _________ students in our school.
　　A. hundred
　　B. hundreds
　　C. hundred of
　　D. hundreds of
　　12. Saturday is the _________ day of the week.
　　A. first
　　B. second
　　C. last
　　D. third
　　13. Get up early， _________ you’ll catch the early bus.
　　A. so
　　B. and
　　C. but
　　D. or
　　14. Hurry up， ________ you’ll be late for class.
　　A. so
　　B. and
　　C. but
　　D. or
　　15. The PRC was founded ____ ______ October 1st， 1949.
　　A. in
　　B. on
　　C. with
　　D. for
　　16.They are all interested _________ English.
　　A. in
　　B. on
　　C. to
　　D. at
　　17. My sister ________ a letter when I got home last night.
　　A. is writing
　　B. was writing
　　C. wrote
　　D. is reading
　　18. He asked me if I __________ the play.
　　A. saw
　　B. had seen
　　C. have seen
　　D. see
　　19 ________ is raining now. You’d better stay at home.
　　A. It
　　B. Weather
　　C. This
　　D. That
　　20. He will write to you as soon as he ________ there.
　　A. will get
　　B. to gets
　　C. gets
　　D. getting