根据句子意思，用括号中所给词的正确形式填空，每空填一词。

English dictionaries are very ________(use)to you when you study English．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

We should speak to the old man ________(polite)．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

Playing too many computer games is ________(harm)to you．

根据句意及括号里的单词提示，补全下面句中所缺单词，注意其形式的变化。(每空限填一词)

Tony is badly ill．We are all ________(care)about his health．

根据句意及括号里的单词提示，补全下面句中所缺单词，注意其形式的变化。(每空限填一词)

Miss Wang speaks English with excellent ________(pronounce)．

根据句意及括号里的单词提示，补全下面句中所缺单词，注意其形式的变化。(每空限填一词)

Mind your table manners．It is ________(polite)to talk with your mouth full．

用括号中所给单词的适当形式填空。

As we all know, the weather in southwest China is ________(dry)than any other time in history．

用括号中所给单词的适当形式填空。

I am in my ________(three)year in this middle school．

用括号中所给单词的适当形式填空。

Many people don't enjoy ________(live)in big cities．

用括号中所给单词的适当形式填空。

This ________(write)writes lots of interesting stories for kids．