Children ______ to read and count in the countryside since the mid ﹣ 20th century.( )
learned
learn
are learning
have learned
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