题目内容
The air in the room ________ fresh, I think.
- A.isn’t
- B.didn’t
- C.hasn’t
- D.weren’t
A
fresh是个形容词，意为“新鲜的”，前面应用连系动词，air做主语时，动词用单数。
fresh是个形容词，意为“新鲜的”，前面应用连系动词，air做主语时，动词用单数。
练习册系列答案
轻松课堂单元期中期末专题冲刺100分系列答案
相关题目
The air in Beijing is getting much ______ now than a few years ago.
| A．clean | B．cleaner | C．cleanest | D．the cleanest |
If there are trees, the air in our city will be cleaner.
| A．less, more | B．more, more | C．more, much | D．much, more |
先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。(每小题1分)
| stop, though, sleep, their, bad, city, ill, we, start, fresh, please, breath |
We all know 【小题7】 feelings we will get if we stay a long time in a shut, crowded room. After a time, we begin to feel very 【小题8】 , and can hardly keep our eyes open. Then our heads begin to ache, and the longer we stay the 【小题9】 we feel. How nice it is when we get outside into the fresh air! We must, therefore, keep 【小题10】 windows open, so that air in our rooms is always fresh.