There is ______ “u” and _____ “l” in the word “rul

招贤纳士

题目：

There is ______ “u” and _____ “l” in the word “ruler”．

A、a：a

B、an；an

C、a；an

D、an；a

【答案解析】显示答案解析

这里显示答案和解析