He is a clever boy. His are of great to us.
A. advice; value
B. suggestions; value
C. advice; valuable
D. suggestion; valuable
网友回答
A. advice; value
(答案→)B. suggestions; value
C. advice; valuable
D. suggestion; valuable
解析：本题后半句中的be为are，所以主语应该为复数形式，advice为不可数名词，故不选，suggestion是可数名词，故第一个空填suggestions，介词of后应跟名词价值value，故本题选B。