_______ reading the letter, what has he done?
With more people _____the traffic rules, our city is becoming better organized.
_____it is to have _____exciting football game in the afternoon after school!
Rather than _____his car on the busy road, Mr Green always prefers____ his bike.
Alice likes listening to____ music while Joan is fond of surfing on ____Internet.
________ you make a mistake, you should not be embarrassed. After all, we are human beings.