It’s hard to rescue drowning people because they ________ so much.
Which do you enjoy __________ our weekend, fishing or watching TV?
During the summer vocation we went back to the school ___ to pay a visit to our teachers though it was _____ hot.
When we are in a new place, we must ____our manners and try to follow the customs of the place.
In the early morning all of us stood at the top of the mountain _____ east of the city, watching _____burning sun rising.
There is a real possibility that these animals could be frightened, ______ a sudden loud noise.