1. 从选词中选择恰当的词或短语并用其适当形式填空。

first aid, brave, make sure, write, because of

1. （1） Be and you will win the match.

3. （2） The sports meeting was put off the heavy rain. What a pity!

5. （3） We should teach students something about . It is necessary.

7. （4） The meeting is very important. to bring your pen and notebook.

9. （5） He has trouble the composition.