29．---- I wonder how much you charge for your services.---- The first two are free ____ the third costs $30.
#79573
A
while
B
until
C
when
D
Before
推荐题目
I came to the music hall, I got addicted to the tone.
#32946
A
The first time
B
For the first time
C
First time
D
First
---Why is he unhappy? ---He has a case_______he is being accused of stealing.
#30929
A
when
B
where
C
there
D
which
The customs office is your luggage is inspected when you enter or leave a country.
#32869
A
where
B
when
C
why
D
who
—Can you work out the problem? —I can’t ______your explain how to do it.
#32743
A
but for
B
except
C
apart from
D
unless