I think I can help you repair your typist tomorrow. you’ll have to will till this weeken

问题补充：

I think I can help you repair your typist tomorrow. , you’ll have to will till this weekend.

A. If so

B. if any

C. If not

D. If possible

答案：

A. If so

B. if any

(答案→)C. If not

D. If possible

解析：. 句意为: 我认为明天我能够把你的打字机修好, 如果不能的话, 你得等到周末。If not是 if I can’t help you repair your typist tomorrow的省略形式。