More trees must be planted every year.(改为一般疑问句)

问题描述:

More trees must be planted every year.(改为一般疑问句)

More trees must be planted every year. (改为一般疑问句)

答案:Must more trees be planted every year?

Yes,they must.
No,they don't have to.

Must more trees be planted eveery year?

Must more trees be planted every year
只需把 must 提前到句首
不明白的再问哟,请及时采纳,多谢!