A total of 548 students fell ill ______ consuming milk and biscuits in schools in Northwest China's Qinghai province on Wednesday, local authorities said.
#31253
A
before
B
when
C
after
D
while
推荐题目
________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons.
#31160
A
What ; why
B
That ; what
C
What ; because
D
Why; that
I think it’ll take at least another two months _______ the shopping center is completed.
#33938
A
until
B
before
C
when
D
as
There are no easy answers to questions brought to us by the rapidly changing world, we can try to turn challenges into opportunities．
#31140
A
so
B
but
C
for
D
then
Julie was good at German，French and Russian，all of ________ she spoke fluently.(2011·湖南)
#30493
A
who
B
whom
C
which
D
that
Ellen was a painter of birds and of nature，________，for some reason，had withdrawn from all human society.(2012·浙江，17)
#30487
A
which
B
who
C
where
D
whom