Unit 9 单元测试题
Ⅳ. 单项选择(每小题1分，共10分)
从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
( )16. I need ______ hour to get to school from home.
A. a B. an
C. the D. 不填
( )17. They’ll be in Beijing ______ two months.
A. on B. at
C. from D. for
( )18. Jenny likes Tuesday ______ her favorite subject is on Tuesday.
A. after B. but
C. because D. so
