问题
选择题
—May I do the homework tomorrow?
一No, you ______. You should hand in before class tomorrow. [ ]
A. mustn't
B. needn't
C. couldn't
答案
答案：A
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—May I do the homework tomorrow?
一No, you ______. You should hand in before class tomorrow. [ ]
A. mustn't
B. needn't
C. couldn't
答案：A
| “低碳生活，从我做起！”请仔细阅读下列材料，找出以下五种“低碳”行为产生的直接效应。 | |
( )2. Daphne always turns off the lights and the computer as soon as she leaves her office. ( )3. Mr. White sometimes goes to work by bus or on foot instead of driving his car. ( )4. Li Lei usually uses QQ or e-mail to communicate with his friends instead of paper letters. ( )5. Miss Zhang never wears fur (皮草) clothes and she decides to eat less meat. |