将下列句子中的汉语部分译成英语，注意使用适当形式。

The world is thirsty, so we should ________ in our daily life．(节约水)

将下列句子中的汉语部分译成英语，注意使用适当形式。

It's polite to keep our voice down ________．(在公共场合)

将下列句子中的汉语部分译成英语，注意使用适当形式。

________ is my favorite TV program．(动物世界)

动词填空：

The snowstorm prevented him ________ (arrive ) on time．

动词填空：

Bill ________(run ) towards Simon while he was mopping the floor．

动词填空：

It’s very pleasant ________ (play ) cards and chess in the new park．

动词填空：

When she heard the bad news , she stopped watching TV and couldn’t stop ________ (cry ) sadly．

动词填空：

________ you ________ (be ) to Paris before ?

No , I plan to go there at the end of next month．

动词填空：

You needn’t come to school tomorrow if you ________ (not be ) comfortable．

动词填空：

When ________ you ________ (finish ) the project ? In three weeks．