Some subjects are compulsory for the students,but some are optional.（）A.difficuI

admin2020-12-24 71

问题 Some subjects are compulsory for the students,but some are optional.（）

选项 A.difficuIt
B.elective
C.beneficial
D.profitable

答案B

解析逻辑关系,语义原则.

转载请注明原文地址:https://ti.zuoweng.com/ti/v7pQKKKQ

相关试题推荐

随机试题