--It’s clever _____ you to help me work out this difficult maths problem. Thanks.--- You are welcome. Now it’s easier ______ you to understand it.
Food and drink should________to be brought into the reading room.
Attention,please!All the mobile phones must________before the meeting starts.
I think________are old enough to make their own decisions.
—I have finished my homework.—________.
The post office is about________ride from our school.