--Mum, can I wear my jeans to school?--No, you ________ wear school uniforms. That’s the school rule.
We never doubt __________Bill is honest. Because he never tell lies.
Water, air and sunshine are __________great importance ____living things.
---Thank you, Mille and Kitty. It was kind of you to help me with my lessons.---- _________.
--Mr. Wu, please _____ how much time you need to finish your homework.-- All right. I’ll make it(做到) at once.
--Sorry, sir. I made a mistake again.--_________. Practice more and you will do better.