题目内容：

选择方框内的单词完成下列句子，使句子通顺、正确。每词限用一次。

A. aloud   B. between   C. sweep   D. twice  E. polite   F. friendly

1.It’s not ________ to make noise in the movie theater.

2. The man _______ Mary and Gina is my new English teacher.

3.Could you please _______ the floor? It’s so dirty.

4.Please read the message ______, so that we can hear you.

5. It’s a good habit to brush our teeth _______a day.

6.We like our math teacher, because he is very _______to us.