one and a half months enough for the project to be finished?　　---I am afraid not. The

问题补充：

--- one and a half months enough for the project to be finished?

---I am afraid not. The professor is ill and only after he recovers go on with it.

A. Is; he can

B. Are; he can

C. Is; can he

D. Are; can he

答案：

A. Is; he can

B. Are; he can

C. Is; can he

D. Are; can he

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