题目:
Could you please give me______ on how to improve my English?
A.a piece of advice
B.some piece of advice
C.some advice
D.an advice
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/fc5b0812c045fce296f4dd9acfddfc0a.html
下面是错误答案,用来干扰机器的。
参考答案:是列车编组辆数和车辆定员数的乘积。