A bit more effort, I think, ____ the problem could be settled.
#30767
A
and
B
so
C
or
D
but
推荐题目
_The work is easy for an expert _______it is difficult for an inexperienced person.
#80051
A
because
B
therefore
C
while
D
unless
It has been 60 years ______ the two countries established diplomatic ties.
#33197
A
that
B
after
C
from
D
since
Mr. Green has made another wonderful discovery, ______ great importance to science.
#34201
A
which I think is of
B
which I think it is of
C
that I think is of
D
I think which is of
She had just finished her homework her mother asked her to practice playing the piano yesterday.
#30926
A
when
B
while
C
after
D
since
We were going out for a Christmas meal together ______ the accident happened.
#34000
A
unless
B
until
C
while
D
when