I don’t agree with him on this point he might be right.A. ifB. althoughC. unlessD. becaus

问题补充：

I don’t agree with him on this point he might be right.

A. if

B. although

C. unless

D. because

答案：

A. if

(答案→)B. although

C. unless

D. because

解析：if是否,如果;although虽然,尽管;unless除非,如果不;because因为;在这一点上我不同意他的意见,尽管他可能是正确的.结合语境可知前后是转折关系,故选B.