3．M：Hello，who's that speaking？
W：（66）This is Mary speaking．
M：Hi，Mary．
W：Hi，Jim．You didn't come to school yesterday．（67）What's wrong？
M：I was hurt in a car accident．
W：（68）I'm sorry to hear that．is it serious？
M：Nothing serious．
W：Did you see a doctor？
M：Of course．
W：（69）What did the doctor say？
M：The doctor asked me to stay in bed for one or two days．
W：Take care of yourself．When are you going to school？
M：（70）Tomorrow．I'm afraid I will miss more lessons．
W：Don't worry．I will help you．
M：Thank you．
W：You're welcome．
