问题 填空题
选择适当的词语完成下列句子。
at     for     or     on     in
1. What's _____________ dinner?
2. Would you like some fish _____________ beef?
3. How many apples are there _____________ the tree?
4. How many people _____________ your family?
5. He is good _____________ sports.
答案

1. for  2. or  3. on  4. in  5. at

单项选择题
判断题