—What a fine day!Shall we go picnicking?—________.But we need to be home before six o’clock for the football match.
The boy is waiting ____ his sister and they will go to the hospital to wait ____ their sick mother.
Fresh air is good ____ your health.
It's very kind____ you to repair the bike ____ me.
We go to school ____ a bike.
It happened ____ the Long March.