The air ___ fresh.
A: were
B: are
C: was
A: were
B: are
C: was
举一反三
- We should open the window often to let ( ) in . ( ) A: fresh air B: fresh airs C: a fresh air D: fresh the air
- .___fresh air it is in this village
- . Fresh air is ______ to good health.
- The fresh air coming in through the inner air ports， is compressed by（） to a higher pressure.
- Open the window and let ____ some fresh air .