科目： 来源：czyy 题型：
| There is somebody at the door. ______ I go and see who it is? |
A. Shall B. Must C. Will D. Would |
科目： 来源：czyy 题型：
| The boy promised ______ late for school again. |
A. to not be B. not to be C. not being D. being not |
科目： 来源：czyy 题型：
| — Linda, you go to the airport now. — ______? — To meet Mr Smith from Canada. |
A. When B. Where C. How D. For what |
科目： 来源：czyy 题型：
| Trees fight air pollution. They are natural air conditioners. |
A. should B. must C. need D. can |
科目： 来源：czyy 题型：
| it snowed heavily yesterday, nobody in our class missed the lesson. |
A. Though B. Because C. Unless D. Since |
科目： 来源：czyy 题型：
| Karin found some waste paper on the floor. She it and threw into the trash can. |
A. put; up B. picked; up C. turned; up D. looked; up |
科目： 来源：czyy 题型：
| Rebuilding in Yushu began soon after the earthquake, and it will long into the future. |
A. reach B. keep C. stop D. last |
科目： 来源：czyy 题型：
| I often laugh when I see my grandma learning pop songs. But she says, "One is never old to learn". |
A. too B. so C. very D. quite |
科目： 来源：czyy 题型：
| —Have you joined in a dragon boat race? —Yes, I have. |
A. never B. still C. seldom D. ever |
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