21. ----Do you know ______ leaders of South and North Korea shook hands again last October.
-----Yes, loving peace is ______ must of _______ history.
A. the; a; the B. /; the ; a C. /; a; / D. the; a; /
22. ----- Come in, please. Make yourself at home.
----- _______________.
----- I'm glad you like it.
A. OK. Let me look around your new house.
B. Oh, this picture is so beautiful!
C. Thanks. What nice food you've prepared!
D. Thanks. You have a nice place here.
