第1个回答 2016-04-07
2Must the work be done at once? 这工作必须马上做吗
3 Some trees can be planted to make our school greener可以种一些树绿化我们的校园
4 Rubbish shouldn't be thrown on the ground 垃圾不应该扔在地上
5 The second point needn't be discussed at the meeting第二点没有必要在会上讨论
6 The sketch may be drawn in pencil 草图可以用铅笔画
3 Some trees can be planted to make our school greener可以种一些树绿化我们的校园
4 Rubbish shouldn't be thrown on the ground 垃圾不应该扔在地上
5 The second point needn't be discussed at the meeting第二点没有必要在会上讨论
6 The sketch may be drawn in pencil 草图可以用铅笔画
第2个回答 2016-04-07
Some trees can be planted to make our school greener.我们可以种些树，使我们学校更绿化。追问
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追答Rubbish shouldn't be thrown on the ground. 不能把垃圾扔地上。
The second point needn't be discussed at the meeting.我们没必要在会议上讨论第二点。
The sketch may be drawn by pencil. 你可以用铅笔画素描。
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