补全对话，每空一词。
A: Hi, Mike! Could you please play ping-pong with me?
B: I'm sorry, but I 1 .
A: Why?
B: I have to stay at home to look 2 my granny.
A: 3 the matter with her?
B: She said she had a cold.
A: I'm sorry to 4 that. Did she go to see the doctor?
B: Yes, I 5 her to the hospital this morning.
A: What did the doctor 6 ?
B: He said there was nothing 7 with my granny, but she has to be in bed 8 some time.
A: Are you coming later?
B: I will 9 I can. I have to wait until my mother comes back.
A: OK. But now I have to ask Li Hua 10 .
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6._____7._____8._____9._____10._____
