Could you tell us___?
About 400 kilometers.( )
How far it is from Tongren to Guiyang
How far is it from Tongren to Guiyang
How long it takes to get to Guiyang
How long does it take to get to Guiyang
I don't know he will come or not this afternoon.( )
A.ifB.whenC.whether
﹣ did you write to last night?﹣A pen pal.( )
A.WhatB.WhereC.Whom
She is listening to music he is doing his homework.( )
A.afterB.beforeC.while
He is at English than me.( )
A.goodB.betterC.best
It's our duty our hometown clean and beautiful.We must do something for it.( )
A.keepingB.keepsC.to keep