Question

词类转换 根据所给词汇，填入一个正确的形式。

1. Edison kept _______ out his new idea.(try)
2. Do you think the computer today is _______ inventions?(useful)
3. I saw a boy ________ on the railway tracks near the station.(play)
4. I want to learn how to run quickly and to eat _______.(health)
5. She speaks too quietly.Tell her ______ a little louder.(speak)

Answer 1

1. trying  2. the most useful  3. playing   4. healthily   5. to speak