If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.
#55250
A
unless
B
if
C
until
D
while
推荐题目
― Let me help you carry the box.― No, thanks. It’s big, ________ there is nothing in it.
#56749
A
and
B
so
C
but
D
because
—_______ will the new school be started? —In two years.
#55463
A
How long
B
How far
C
How often
D
How soon
—Don’t worry! Joe will come here on time. —__________ he won’t come?
#55828
A
Even if
B
Why not
C
What if
D
What about
—— Hurry up. The bus is coming! —— Oh, no, we mustn’t cross the street ______ the traffic lights are green.
#55778
A
after
B
since
C
when
D
until