Mike had just finished his lunch and was about to take a break _____ an unexpected visitor came.
#33274
A
when
B
while
C
so
D
for
推荐题目
After the flooding，people were suffering in that area，________ urgently needed clean water，medicine and shelter to survive.(2012·江苏，22)
#30488
A
which
B
who
C
where
D
what
They were still working in the fields __ it had got dark.
#79700
A
even if
B
as if
C
in so far as
D
so that
Don’t stop _______ you meet with a word you don’t understand while reading.
#31364
A
at the time
B
every time
C
by the time
D
sometime