After twenty minutes’ walk, the children got to the park.
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.
People _______ pale skin and blond hair look good _______ yellow and pink..