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
He made a mistake, but then he corrected the situation _______ it got worse.
#74570
A
until
B
when
C
before
D
as
Young people nowadays are different ______ we used to be．
#72911
A
from what
B
in which
C
in how
D
in what
Have you heard of the case____ a child accused his paeents of being ill-treated?
#74104
A
what
B
how
C
where
D
why
_____ he has done it is surprising. _____ he has done is surprising.
#71976
A
What
B
That
C
Whether
D
If