Doctor Smith has made another wonderful discovery, _______ great importance.
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
推荐题目
How can you expect him to make any progress _____ you never give him a chance to have a try?
#30913
A
when
B
unless
C
even though
D
until
—I wonder how much you charge for your services.—The first two are free ________ the third costs $30.
#30476
A
while
B
until
C
when
D
before
It was some time _______ I realized the fact that I had been cheated by the salesman.
#31376
A
until
B
before
C
unless
D
since
________one scientist has pointed out, children’s skulls are not fully developed.
#34231
A
That
B
As
C
Which
D
What