2015-2016学年 外研版 必修三 Module 2 Developing and developed countries grammar课件 (12)
2015-2016学年 外研版 必修三 Module 2 Developing and developed countries grammar课件  (12)第3页

Grammar -1. Revision

3. Some people waste a lot of food _____ others haven’t enough to eat. A. however B. when C. as D. while 4. _____ he had to write a history paper. _____ he couldn’t find time to do it. A. Although; but B. Although; / C. Even thought; / D. Even if; /