The process of producing electricity may also give out CO2, ______ you heat your house with electricity instead of charcoal.
#31864
A
as long as
B
as soon as
C
as if
D
even if
推荐题目
Roger had just walked into his office and that was when he was told that his plan had finally been approved. Which of the following can be instead of the underlined(划线的) part to make the sentence better.
#31243
A
and then they told him
B
when it was learned by him
C
and then he learned
D
when he learned
-----When will you leave for Paris for a visit? -----_______next month.
#79903
A
Until
B
After
C
At
D
In
—Did your father phone you shortly after the accident?—No, it was a fortnight ________ he gave me a phone call.
#32542
A
since
B
when
C
while
D
before
(2013·北京，26)—What do you think of teaching，Bob?—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
#30496
A
where
B
which
C
when
D
that
A number of high buildings have arisen ________ there was nothing a year ago but ruins.(2012·山东)
#30438
A
when
B
where
C
before
D
until