More trees ___(should plant) in China.
问题描述：
More trees ___(should plant) in China.
答
should be planted(树作主语用被动语态）
答
should be planted
答
答案：should be planted
在中国应该种更多的树
用被动语态：should be done 结构
不明白的再问哟,请及时采纳,多谢!