564. Jack is up and about now. 杰克病后复原了。　

563. What did the doctor say? 医生怎么说？　

562. Have you seen the doctor? 你看过医生了吗？　

561. Do I need to be hospitalized? 我需要住院吗？　

560. Is it serious? 我的病严重吗？　

559. You need an injection. 你需要打针。　

558. I should say you've caught a cold. 我看你感冒了。　

557. How long have you had it? 你得这病多久了？　

556. What's your trouble? 你有什么不舒服？　

555. I have to change my appointment from Monday to Thursday.　

我不得不把约会从周一改到周四。