问题:
_________ it is! Thank you very much!
A.What valuable advice
B.What a valuable advice
C.How good a suggestion
D.How good advice
_________ it is! Thank you very much!
A.What valuable advice
B.What a valuable advice
C.How good a suggestion
D.How good advice
A.What valuable advice
B.What a valuable advice
C.How good a suggestion
D.How good advice
参考答案: