—I wonder how much you charge（要价） for your services.—The first two are free the third costs￥30.
#31319
A
while
B
until
C
when
D
before
推荐题目
She was so angry that she rushed out into the rain ______ I could stop her.
#31745
A
when
B
until
C
before
D
after
Being League members, ___ we ought to work hard at our lessons;___ we ought to take an active part in social activities.
#80369
A
on one hand…on other hand
B
on the one hand….on the other hand
C
on the one hand…on the other
D
B and C
________________ I wrote a poem, I felt confident and placed it right on my father’s plate before dinner.
#31657
A
At first
B
First of all
C
The first time
D
For the first time
--The plane is due to take off at 7∶50 from the airport. --________ we fail to arrive there in time?
#33063
A
What if
B
As if
C
Even if
D
Only if