I think you should work harder ________ you are satisfied with the way things are.
#30410
A
if
B
when
C
since
D
unless
推荐题目
I doubted her honesty________I met her.
#30062
A
first time
B
for the first time
C
the first time
D
by the first time
This is a picture of Dr. Yuan, a scientist ____ is well known in our country.
#33981
A
which
B
who
C
whom
D
whose
—I’d like to invite you to my new house next weekend.—Thank you, but ____ I’ll have time I’m not sure at the moment.
#34533
A
when
B
as
C
in case
D
unless
As a green hand, he doesn’t know______ it takes to start a business here.
#30179
A
when
B
how
C
what
D
which
The incomes of skilled workers went up . , unskilled workers saw their earnings fall.
#80688
A
Moreover
B
Therefore
C
Meanwhile
D
Otherwise