第1个回答 2012-05-30
We can't plant trees in the park.
What can we do in the park?
Where can we plant trees?
希望对楼主有帮助
及时采纳,谢谢~
第2个回答 2012-05-30
We can't plant trees in the park
Can you plant trees in the park
What can you do in the park
Where can you plant trees本回答被提问者采纳
第3个回答 2012-05-30
We can not plant trees in the park.
can we plant trees in the park?
NO, you can't
what can we do in the park?
where can we plant trees?