根据句意和首字母完成单词。

1.---How often do you watch TV?  

------T__________ a week.

2 I drink milk e______ day.

3 They read English books three t______ a week.

4 ---What do they do on weekends?  

-----They o_______ go to the movies.

5 --- What's your favorite p__________?  

------It's Animal World.

6 ----How often do you shop?  

----- I shop once a m________.

测定铬的玻璃器皿用（）洗涤。