单选题Could you please give&nbs

问题补充：

单选题Couldyoupleasegiveme______onhowtoimprovemyEnglish?A.a piece of adviceB.some piece of adviceC.some adviceD.an advice

答案：

A解析advice 为不可数名词，一则消息，为a piece of advice，一些消息为some pieces of advice，故选