______ is well known to everyone, I should say, is that a man becomes learned by asking questions.
#31205
A
Who
B
It
C
As
D
What
推荐题目
Is it the pigeon to______ he attached the message ______ carried the news there?
#32745
A
whose leg; which
B
which leg; that
C
its leg; which
D
whose leg; that
As many as ten courses are provided ,and you are free to choose suits you best．
#30189
A
whatever
B
whichever
C
however
D
wherever
So quickly are science and technology advancing ________ is a possibility today may be a reality tomorrow.
#30322
A
which
B
what
C
that which
D
that what
Everyone knows, perhaps except you, _______ your girl-friend is a cheat.
#34713
A
who
B
which
C
that
D
what