题目内容
5. Mary is so___________ —she comes to you whenever you're in trouble.
A. useful B. careful
C. thankful D. helpful
5. D考査形容词辨析。useful"有用的";careful"仔细的"; thankful"感恩的";helpful"有帮助的",由后半句句意"无论你什么时候有困难,她都会如约而至"可知,玛丽是个助人为乐的人。
练习册系列答案
相关题目