She opened the window_let fresh air in.
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
- Open the window and let ____ some fresh air .
- Please open the window, and let the fresh air _______. A: in B: out C: from D: off
- ____ he opened the window, a sparrow flew in.
- _______ he opened the window, a sparrow flew in. A: Unless B: Though C: The moment D: If