在下面对话的空白处填入适当的话语（话语可以是句子、短语或词） 使对话完整。
A: Hi, Tom. You were not here yesterday afternoon. What was wrong?
B: _______
A: Sorry to hear that. __ B: Much better. The fever is gone. But I still cough and I feel weak.
A: ______?
B: Yes, I have. I went to the doctor’s yesterday afternoon. The doctor gave me some medicine and asked me to stay in bed for a few days.
A: ______
B: Because I’m afraid I’ll miss more lessons and I’ll be left behind.
A: Don’t worry. Take care of yourself. _____
B: Thank you.