Old people shouldn’t       . In fact, they have stronger and clearer minds.

– Excuse me, may I use your bicycle?  ______ is broken. -- Certainly.  But remember to return it before lunch.

____ do you do to celebrate Christmas?  — We have a party and give presents to each other.

— ________ times do you visit your grandparents every year?— Three or four times a year. Usually at Mid-Autumn festival and Spring Festival.

—Can you tell me________it is from home to school? —Sure.It’s about ten minutes’ ride.