用more trees,better life为题 写一篇作文

If more trees ______ planted, our city will be more beautiful.

[ ]

A. were B. are C. will be

To protect the environment,more trees _____ in our country every year
A plant B were planted C be planted D must be planted

详细说明为什么.
More trees ______ on the hill .
A,must be planted B,be planted C,can plant D,should plant
We _______ shanghai for two days
A,have been away B,have be away from C,have been away from D,had been away from
what time do you ______ nanning
A,reach to B,get C,arrive D,reach

在句子里需要加by就加并排列 more trees,be going to ,piant,along the streets ,this year