It's sports time.Most ________ students in Class 1are playing football on the playground.( )
boy
boys
boy's
boys'
﹣I saw your mother in the library just now.
﹣It ______ be her.She went to Beijing yesterday.( )
can't
mustn't
needn't
About ______ of the land ______ covered with trees and grass.( )
three fifths; is
three fifths; are
three fifth; are
Whenever Tom reads an interesting novel,he can't keep it to ______ and wants to share it with his classmates.( )
him
he
himself
﹣How far is your home from school?﹣About ______ walk.( )
five minute's
five minutes'
five minutes
﹣Who is ______ girl behind the tree?
﹣Which one?The one with ______ umbrella?( )
a; the
the; an
the; a