There is ____ “u” and _____ “r” in the word “numbe

招贤纳士

题目：

There is ____ “u” and _____ “r” in the word “number”.

A、a; a

B、a; an

C、an; a

D、an; an

【答案解析】显示答案解析

这里显示答案和解析