Question

英语：全部！

Answer 1

2 Must the work be done at once？
3 Some trees can be planted to make our school greener.
4 Rubbish shoudn't be thrown on the ground.
5 The second point needn't be discussed at the meeting.
6 The sketch may be drawn in pencil.

Answer 2

2, The homework must be done by us at once.
3, Some trees can be planted by us to make out school greener.
4, Rubbish shouldn't be thrown on the ground.
5, The second point doesn't have to be discussed at this meeting by us.
6, The sketch may be drawn in pencil.

Answer 3

2. Does the work must be did it at once?
3. The trees can be planted to make our school greener.
4. The rubbish shouldn't be threw on the ground.
5. The second point needn't to be discussed at this meeting.
6. The sketch may be drew in pencil.

Answer 4

没人写的嘻嘻