________ difficult it might be, I will try my best to work it out.
#67778
A
Whatever
B
How
C
However
D
What
推荐题目
How did you manage to get to the school on time_________you missed the school bus?
#67653
A
when
B
if
C
once
D
because
________ is known to all is that effective measures should be taken to deal with the problem of the overexploitation of our resources.
#67275
A
What
B
It
C
As
D
Which
________ he seems to know everything.
#71483
A
Young as he is, yet
B
Young as he is
C
As he is young, but
D
Though he is young, but
It was in the lab ________was taken charge of by Johnson ________they did the experiment.
#68046
A
where；which
B
which；that
C
which；which
D
that；which
He bought some books, ______ were expensive.
#71965
A
most of which
B
the most of which
C
most
D
the most of that