5 . Having a mix of male and female nurses also helps create a fun atmosphere, _________ helps patients recover faster.

A．this

B．that

C．which

D．where

8 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. How do you deal about the letter?
2. He speaks English as fluent as you.
3. So far we have raised 50 000 dollars for the poor children, that is quite unexpected.
4. Personal, I hate it when people become technology addicted.
5. There Daisy saw an antelope look sad.
6. Why are these wild animals in danger of disappear?
7. To be honestly, he is not a reliable man.
8. She dreams of to be a teacher in the future.
9. The meeting broke down at eleven o'clock.
10. They lived on the earth tens of millions of years ago, long before humans came into a being.