根据句意和提示写出单词，完成句子。

I can't ________(买得起)to go to the 2012 London Olympic Games．

根据句意和提示写出单词，完成句子。

－What are you doing at the moment?

－I'm reading a book ________(写)by Lu Xun．

根据句意和提示写出单词，完成句子。

You should make a ________(决定)whether to go or to stay right now．

根据句意和提示写出单词，完成句子。

My father ________(允诺)to celebrate my birthday with me several times but never did it．

根据句意和提示写出单词，完成句子。

The ________(文章)by the American writer are not easy to understand．

根据句意和提示写出单词，完成句子。

With the help all over the world, the children in Sichuan are living ________(幸福地)．

根据句意和提示写出单词，完成句子。

When people ________(呼吸), they take in air and send it out through their nose or mouth．

根据句意，写出括号内所给单词的适当形式。

More and more teachers feel worried about some ________(teenage)strange behaviour．

根据句意，写出括号内所给单词的适当形式。

The government has realized the importance of the ________(safe)of the children who take a school bus．

根据句意，写出括号内所给单词的适当形式。

In China, it's becoming much ________(hard)for people to pass the driving tests．