—_______ do you go walking? — Three times a week.
Beijing has ________ many buses that there is often a traffic jam in rush hours.
— Hello, you look tired today. —Yes, I slept too late yesterday evening. I my homework and forgot the time.
It’s very nice ________you to get me two tickets_________ the World Cup.
His sister___________ her hometown for two years. She’ll return next year.
The old people ______lonely at all since we began to visit them once a week.