根据对话内容，从方框内选出能填入空白处的最佳选项，其中有两项为多余项。

A: Hi, David.    1.   

B: It’s 5:00.

A: The class will be over soon.     2.   

B: I’ll go to the English Club. And you?

A:     3.   

B: Is swimming your favorite sport?

A: Yes, I like it best.

B:     4.   

A: Because it keeps my heart and lungs healthy.

B: I think so.    5.   

A: Certainly. I’ll call you if I go.

——He doesn’t tell me when he___________．

——I’ll call you if he__________．

　 A. will come；comes　　　 B. will come；will come　

　 C. come；will come　　　　 D. come；comes．

--- Do you know if he _______ tomorrow?

--- I’ve no idea, but I’ll call you if he __________.

　　 A. comes, will come　 B. will come, comes

　　 C. comes, comes　　 D. will come, will come

——I don’t know if she __________ tomorrow.
—— If she _________ tomorrow, I’ll call you.

——I don’t know if she __________ tomorrow.

—— If she _________ tomorrow, I’ll call you.

A．comes; comes                          B．comes; will come

C．will come; comes                        D．will come; is coming