We can help to Clean up the city streets in our free time (对
We can help to Clean up the city streets in our free time (对
We'll help to clean up the city park.(对划线部分提问) ___ ___ you h
Trees can help _____ the air in the city.A to clean B clean
we'll help clean up the city parks.
The city park is not clean.We need to help () it ().A set;up
作文 I will help to clean up the city parks
作文I will help to clean up the city parks
①They asked me to (help to clean up our city parks).对括号部分提问
We should pick up the i_____ to keep the streets clean.
It is something we like to do in our free time just for the
i will help clean up the city parks 为什么不是i will help to clea
They could help( )the city parks.A.to clean up B.cleaned up