----Which is _______ to understand, this book or that book?
---- I think both of them are quite easy.
A．difficult B．more difficult
C．the most difficult D．much too difficult
----______ is the lady in white?
----She is a nurse.
A．Who B．What C．Whom D．Whose
----Do you know _______ young man under the tree?
----Yes, but only a little, maybe he is _______ university student.
A．a; an B．a; the C．the; an D．the; a
My father goes for a walk daily.
A．everyday B．every day C．someday D．some day
The little girl is fortunate to get help from so many strangers.
A．lucky B．excited C．happy D．grateful
I will pay you a visit next month.
A．call at B．call on C．call up D．call back
