---______ your school ______ a School Day ? ---Yes , it is in May .
Susan’s parents have bought a large house with a swimming-pool. It ____ be very expensive.
---Is Mr. Green really badly ill? ---. He’s in the hospital.
---What would you do if youa million dollars? ---If Iyou, I’d give it to medical research.
This math problem.
Treesin winter but in spring.