--- What class are you in ? --- I’m in .A. Class Two Grade(年级) Seven B. Class two Grade seven C. Class two Grade Seven
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.