用所给词的正确形式填空。1. I'm ________ (turn) on the radio.
2. Who ________ (sing) first?
3. I ________ (watch) a movie yesterday.
4. There ________ (be) many people in Canada.
5. Thanks for ________ (give) me this apple.
试题答案
1. turning 2. sings 3. watched 4. are 5. giving