在横线上填入所缺部分，使句子完整（注意：每空不止一个单词）。
A. 同义句改写
1. Nick was so tired that he couldn't walk any further.
Nick was _________________ any further.
2. We can't finish the project on time unless you support us.
The project can't be finished on time __________________.
3. Shall we watch the exciting ping-pong match together?
_________________ watch the exciting ping-pong match together?
B.根据所给汉语和句子意思，用英语补全句子。
4. As we all know, waste water and gas __________________ (对……有不良影响) the environment.
5. A pair of pandas __________________ (赠送) to Australia months ago, which represents the friendship
between Australian and Chinese people.
6. — Do you often use Baidu?
— Yes, it's one of ___________________ (最受欢迎的) Internet search engines.