题目内容：

在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。

1.The bus r        usually takes about 20 minutes.

2.The baby is sleeping. Please be q        .

3.Mr. Wang t        us math. He is a good teacher.

4.Our English teacher is like our friends. She is f        to us.

5.– Can you speak R        ? – Yes, but a little.