—May I go outside and play for a while, Dad?—No, you can’t ____ your homework is being done.
#34531
A
until
B
as
C
before
D
the moment
推荐题目
(2013·高考江苏卷)In the global economy，a new drug for cancer，________ it is discovered，will create many economic possibilities around the world.
#30665
A
whatever
B
whoever
C
wherever
D
whichever
Everyone stood up______ the hero came into the lecture hall.
#80447
A
while
B
instant
C
every time
D
immediately
Mary and I have been close friends ______ we met each other 10 years ago.
#31498
A
when
B
since
C
until
D
as
_______ you are supposed to do is _______ it if you don’t like a thing. Don’t complain.
#30100
A
That; change
B
When; to change
C
What; change
D
What; changing