______arethepossiblecoursesofactionfromwhichchoicescanbemade.
A.Alternatives
B.Alternates
C.Alternations
D.Alternators
正确答案:A[解析]选项A意为可能性之一;选项B意为轮流、交替,是动词;选项C为名词,意为轮流,交替;选项D意为交流发电机。根据题意,机会不止一两个,故选A。

______arethepossiblecoursesofactionfromwhichchoicescanbemade.
A.Alternatives
B.Alternates
C.Alternations
D.Alternators
正确答案:A