We’re so busy that no one in the office can for any other work.A. spareB. be spared C. s

问题补充：

We’re so busy that no one in the office can for any other work.

A. spare

B. be spared

C. share

D. be shared

答案：

A. spare

(答案→)B. be spared

C. share

D. be shared

解析：spare表示“腾出或省去(多余的人或物)”，根据句意，应用被动语态。