A：Hi．John．You didn't come to school yesterday afternoon．What was wrong with you?

B：1．                        ．

A：I'm sorry to hear that．2．                         ?

B：Much better．But I still cough and I feel weak．

A：3．                        ?

B：Yes，I have．I went to the doctor's last night．The doctor gave me some medicine and asked me to stay in bed for three days．

A：4．                        ?

B：Because I'm afraid I'll miss more lessons and fall behind．

A：Don't worry about that．5．                       ．

B：It's very kind of you to say so．Thanks a lot．

A：You're welcome．