he comes, we won’t he able to go. A. Without B. Unless C. Except D. Even

________ he comes, we won’t he able to go.

A. Without　 　B. Unless C. Except　 　 D. Even

试题答案

B

unless“除非，如果不”，为连词，相当于于if...not。even为副词。A和C项为介词。