He taught his father how to get to know
题型:选择题
问题:
He taught his father how to get to know ________ is going on in his university life on the Internet.
A.how
B.that
C.what
D.which
He taught his father how to get to know ________ is going on in his university life on the Internet.
A.how
B.that
C.what
D.which