二、单项选择(本题10小题;每小题1分,共10分)
请从A.B.C.D四个选项中选出可以填入空白处的最佳选项
16. — Do you know the story of Goldilocks and the Three Bears?
—Yes I do It’s______ interesting story
A. a B. an C. the D. 不填
17. —Would you like to see Beijing Opera with tonight?
—I'd like to ,but I,m afraid I_______,I have to write to my pen friend
A. need B. needn’t C. can D. can’t
18. Don't forget to wash your hands_______ you have meals.
A. until B. before C. when D. while
19. I've just borrowed a CD player, but I don't know_______. You can read the instructions
A. how to use B. where to buy it C. when to return it D. where to put it
20 ______do you spend on your homework every day?
A. How often B. How long C. How many D. How much