The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.
#73299
A
to be based on
B
to base on
C
which to base on
D
on which to base
推荐题目
There is much truth in the idea _ kindness is usually served by frankness.
#68202
A
why
B
which
C
that
D
whether
I won’t give in ________ great difficulties I come across in my life.
#66892
A
however
B
whatever
C
whichever
D
wherever
His wife has left him, but he behaved _______ nothing had happened.
#68579
A
even though
B
as soon as
C
as though
D
as long as
—Well, I do think the iPod is a smart, convenient and intelligent. —________.
#73739
A
So it is
B
So is it
C
So does it
D
So it does
_____ you may have, you should gather your courage to face the challenge.
#68233
A
However serious a problem.
B
What a serious problem.
C
However a serious problem.
D
What serious a problem.