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)
连词成句:must,every,planted,trees,more,be,year(句号)
they planted trees last year (改为一般疑问句)
this kind of flower might be planted every year here 改为一般疑问句
详细说明为什么.More trees ______ on the hill .A,must be planted B,b
I think there will be more trees in the future.(改为一般疑问句) ___
There will be more trees in 100 years.(改为一般疑问句)
There will be more trees in 50 years.(改为一般疑问句)
trees are planted in our city every year.
More and more trees should be planted in spring to________sa
______young trees must be planted on the hill
they have a school trip every year 改为一般疑问句