I’ll call you if he _______ tomorrow.

根据对话语境，在空白处填写恰当的句子补全对话

A: Good morning!

B: Good morning! I’d like to join the school volunteer project, but (1)　　　    .

A: OK, don’t worry. Let me help you. (2)　  　    ?

B: I love singing and telling stories.

A: Well, you could help look after young children on weekends.

B: (3)　　　    . I can sing for them and tell them stories. I’m sure that  children will love me.

A: I agree with you. (4)　　　    ?

B: Sure. I am Peter White. My telephone number is 885-276.

A: OK. I’ll call you as soon as possible.

B: (5)　　　    .

A: It’s my pleasure.

—I can’t find my mobile phone. I’m sure it’s in this room.

—____________. I’ll call you with my phone. When it rings, you can follow the sound.

A. Excuse me        B. Good luck           C. Thank you        D. Don’t worry

---Could you tell me when Mr. Li _______ in Changchun?

---Sure. When he _______, I’ll call you.