the project as planned we’ll have to work two more hours a dayA. CompletingB. CompleteC

问题补充：

the project as planned，we’ll have to work two more hours a day．

A. Completing

B. Complete

C. Completed

D. To complete

答案：

A. Completing

B. Complete

C. Completed

D. To complete

解析：此处为不定式做目的状语。句意为：为了如期完成这项工程，我们将不得不每天加两小时的班。不定式除了表示目的以外，还可表示结果或原因。做目的状语放于句首时，通常用逗号与句子隔开；如果放于句末，通常不用逗号；做结果状语时放于句末，其前面时常有副词only，never。