1. (2016七上·浙江期中) 选词填空。从方框中选择合适的单词并用其正确形式填空。每个单词限用一次。每空一词。

key,     ask,   under,    grandparent,    you

1. （1） This is my grandmother and this is my grandfather. They are my .

3. （2） I can't find my dictionary. I my mother for it.

5. （3） — Where is your book? — My book is on the floor the desk.

7. （4） — I lose a set of . — You can ask Miss Liu.

9. （5） — What's brother's name? — His name is Jim.