is known to all is that the Diaoyu Islan
题型:选择题
问题:
is known to all is that the Diaoyu Islands have belonged to China since ancient times.
A.As
B.It
C.What
D.That
is known to all is that the Diaoyu Islands have belonged to China since ancient times.
A.As
B.It
C.What
D.That