Tom spent two years his book.A. finishing writingB. to finish writingC. finishing to writ

问题补充：

Tom spent two years his book.

A. finishing writing

B. to finish writing

C. finishing to write

D. to finish to write

答案：

(答案→)A. finishing writing

B. to finish writing

C. finishing to write

D. to finish to write

解析：此题重点考查固定句型结构sb spend some time in doing sth表示某人花费多久做某事,其中in可以省略.