用所给单词的适当形式填空。 1. Nancy wants _____ (be)
题型：填空题
问题：
用所给单词的适当形式填空。
1. Nancy wants _____ (be) a _____ (wait).
2. What _____ your uncle _____ (do)?
3. There are two _____ (policeman) at the crossing.
4. He is a doctor. He _____ (work) in a hospital.
5. — Where _____ he _____ (come) from?
— No, he _____ (come) from Canada.
