1. I want to buy a toy train.<br />2. Don't be late for class.<br />3. The girls are playing basketball.<br />4. These are short pants.<br />5. Dad is writing an email.
（1）
A . I want to buy a toy train.B . I want to buy a toy plane.
（2）
A . Don't make noise.B . Don't be late for class.
（3）
A . The boys are playing football.B . The girls are playing basketball.
（4）
A . These are short pants.B . Those are trousers.
（5）
A . Dad is writing an e-mail.B . Dad is making a call.
