【简答题】选出每组单词中不同类的一项。 ( ) 1. A. sing ( ) 2. A. goes ( ) 3. A. engineer ( ) 4. A. act ( ) 5. A. doctor B. riding B. teacher B. salesperson B. actor B. drive C. diving C. lives C. work C. a...
【简答题】情态动词.doc I . 选用 can, may, must, can’t, mustn’t, could 填空。 1. There is air around us, but we ________ see it. 2. You _______ play football in the busy street. 3. It _______ be Mr. Brown. He has gone to...