问题
填空题
用所给动词的适当形式填空。
1. I (talk) on the phone now.
2. Look! The boy (read)a book.
3. Listen! He (sing) an English song.
4. That (sound) good.
5. What Tom and Jim (do) now?
答案
1. am talking 2. is reading 3. is singing 4. sounds 5. are; doing