－My mother is ill. I have to look after her this afternoon.

－________.

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补全对话

根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，有两项为多余选项。

　　A: Excuse me, Mr Green. I'd like to take a few days off.

　　B: 1

　　A: My mother is ill. I have to take care of her.

　　B: Oh, dear! I'm sorry to hear that. 2

　　A: No, thank you. She has caught a bad cold. The doctor says she has to be in hospital for a few days. I'd like to be with her.

　　B: I understand. 3

　　A: I hope to be back next Wednesday.

　　B: 4 But you must write a note for leave before leaving.

　　A: Thank you, Mr Green. I'll write it at once.

　　B: 5 I'll certainly help you with them when you get back.

　　A．Is there anything I can do to help?

　　B．What's the matter, Alice?

　　C．I hope your mother will get well soon.

　　D．How long will you be away?

　　E．That's all right.

　　F．All right.

　　G．Don't worry about your lessons.

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根据句意，选择与画线部分意思相同或相近的解释。

My mother is ill. I must take care of her at home.

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A．look for　　　B．look after　　　C．look at