We tried ________ the window, but it was still hot in the room.
It is normal for students to feel_______ before the examination even though they have prepared well.
The little girl seems to ____a lot since I last saw her.
Most experts agree that washing hands regularly is a ______way to prevent the spread of many diseases.
He suggested that we should _______ the instruction.
Spectators of horse racing come primarily to ________ the result of each race.