1. 2. 3. 4. 5 .
- (phone, now) They are chatting on the phone now.
- (Jack, now) Jack is watching TV now
- (they, now) They are planting trees now.
- (boy, now) The boy is listening to the music now.
- (lunch, now) They are having lunch now.
附加题：句型转换。请按要求完成以下句子。
- They are doing their homework now.
否定句： They are not doing their homework now.
一般疑问句： Are they doing their homework now?
划线部分提问： What are they doing now?
- He is doing his homework now.
否定句： He is not doing his homework now.
一般疑问句： Is he doing his homework now?
划线部分提问： Who is doing his homework now?
