11. It is natural that____student doesn'
题型:选择题
问题:
11. It is natural that____student doesn't know some answers to____questions raised by their teachers.
A.a;a
B.a;the
C.the;a
D.the; the
11. It is natural that____student doesn't know some answers to____questions raised by their teachers.
A.a;a
B.a;the
C.the;a
D.the; the