________ you have to do the job, you should try your best to do it well even though it may be very difficult for you.
#30258
A
Since
B
While
C
Unless
D
Though
推荐题目
—It seems that his health is improving.—Yes. It is ten years ___ he _____.
#80097
A
that, smoked
B
after, didn’t smoke
C
since, smoked
D
before, smoked
I remember_____the factory owed a small workshop and two machines.
#80605
A
when
B
how
C
whether
D
what
is no possibility Bob will win the first prize in the match.
#31844
A
That; that
B
There; that
C
There; whether
D
It ; whether
---What was the party like ?---Wonderful . It is years _____ I enjoyed myself so much .
#80510
A
after
B
when
C
before
D
since
---Did you remember to give Jenny the money?--- Yes. I saw her, I’m sure.
#33482
A
So long as
B
So far as
C
The moment
D
Any time
