Which of the following is right?
A.she is English B.she is a French
C.she is an English D.she is America
_______are usually cheap.
A.the modern car B.a modern car
C.Modern cars D.The modern cars
_______came to visit us this morning.
A.my father friend B.a friend of my father
C.a friend of my father's D.one of my father's friend
最好可以给出解释