请根据句意从方框中选择合适的词，并用其适当形式填空，使句子通顺。

1．_________，I caught the last bus，so I didn't have to walk home．

2．Kunming is famous for its _________ climate．

3．Alice is a nice girl and never says anything _________ about others．

4．We had a _________ about how to prevent A／H1N1 flu in class yesterday．

5．Here is our local food．Please help _________ to anything you like，Mary．

6．The _________ on the table belong to those kids．They often use them to cut paper．

7．We'll do a lot of activities to celebrate the _________ birthday of New China this year．