Anyone _______ wants to learn something can sign up for the online courses.
#75761
A
which
B
who
C
whose
D
whom
推荐题目
Do you know the man ________? 
#75616
A
whom I spoke
B
to who spoke
C
I spoke to
D
that I spoke
Diamond, _________, is the hardest of all materials.
#78514
A
like we know
B
since we know
C
we know
D
as we know