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
You must learn to consult your feelings and your reason ________ you reach any decision.
#31191
A
although
B
before
C
because
D
unless
______ he had broken the record, he would be a world-famous runner now.
#33333
A
When
B
Because
C
If
D
Though
Questions and exercises are given by the computer, which decides ______ to move the students ahead, review an easier level, ____ give more work on the same level.
#80118
A
either, or
B
both, and .
C
whether, or
D
not only, but also
_________is known to us all is that the old writer, for __________ life was hard in the past, still works very hard in his eighties.
#33682
A
What; whom
B
As; whom
C
It; whose
D
What; whose