People can open it and let in light and air.
举一反三
- People play it in the open air.
- Open the window and let ____ some fresh air .
- We should open the window often to let ( ) in . ( ) A: fresh air B: fresh airs C: a fresh air D: fresh the air
- Air pollution is becoming worse. As is known to all, air to us is ________ water to fish. No one can imagine how human being can live without air.
- The manager told me to open a window and ___________ some fresh air. A: enefit B: ultimately C: Let in D: headquarters