– I wonder how much you charge for your services.-- The first two are free ____  the third costs $30.
#80584
A
while
B
until
C
when
D
before
推荐题目
  I thought her to be nice and honest ________ we met.
#29965
A
first time
B
for the first time
C
the first time
D
for the last time
Don’t touch anything __________ your teacher tells you to.
#34405
A
if
B
though
C
unless
D
even though
This is one of the most interesting films _____ shown last week. 
#33399
A
which was
B
that was
C
which were
D
that were