文档介绍:语法课堂跟踪练****br/>(一)单项选择(每小题1分,共10分)
1. I won't believe that the five-year-old boy can read five thousand words
    _________语法课堂跟踪练****br/>(一)单项选择(每小题1分,共10分)
1. I won't believe that the five-year-old boy can read five thousand words
    __________I have tested him by myself.
   A. after             B. when             C. if               D. until
2. How did you try to get to school on time __________you missed the
   school bus?
   A. when            B. if                  C. once            D. that
3. -I'm going to the supermarket.
   -will you get me some chocolates __________you are there, mum?
   A. since              B. because           C. if                D. while
4. The book was so interesting that he had read it for three hours __________he
   realized it.
   A. when            B. until              C. after           D. before
5. -Judy, you look so tired.
   -Yes, I didn't go to bed __________it was 12 o'clock last night.
   A. when             B. unless             C. until            D. after
6.  __________you go across the street, you must look out for the cars and
     buses.
   A. Before           B. After             C. Until           D. Where
7. Linda was just going out shopping __________the telephone rang.
   A. while             B. when              C. after            D. because
8. -Is Tom at school today?
   -No. He's at home __________he h