Unit 8 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. We have ______ school trip ______ this week.
A. a; 不填 B. an; at
C. a; at D. an; 不填
( )17. The New Year party is ______ the evening of January 1st.
A. in B. on
C. at D. of
( )18. Linda’s grandpa is very ______. He is ninety this year.
A. long B. tidy
C. fat D. old
