Mr. Black has been teaching English in a middle school _____ he came to China.
#33534
A
for ever
B
ever since
C
since then
D
long before
推荐题目
My cousin will never talk to anyone in a rude way people say something dirty to him.
#30786
A
as if
B
even if
C
what if
D
only if
(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
________ I can see, there is only one possible way to keep away from the danger.
#30128
A
As far as
B
as long as
C
Just as
D
Even if
Most birds find it safe to sleep in the trees, but ____ they have eggs or young chicks, they don’t use a nest.
#79977
A
why
B
how
C
unless
D
where