基本信息
1. will you see to ____ that my birds are looked after well while i'm away? a. them b. yourself c. it d. me 2. many teens don't get enough sleep because they have too much homework, which ____ them up at night. a. makes b. breaks c. turns d. keeps 3. ——ms lin looks rather a kind lady. ——but in fact she is cold and hard on us. you ____ believe it! a. shouldn't b. wouldn't c. mustn't d. needn't 4. the program is like a window on the world ____ you sit by it and fix your attention on what it shows. a. if b. as c. while d. unless
