They kept trying _________ they must have known it was hopeless.
#79919
A
if
B
because
C
when
D
where
推荐题目
________ the Internet is bridging the distance between people, it may also be breaking some homes or will cause other family problems.
#33168
A
When
B
While
C
If
D
As
It has been many years since I was last in London_______I still remember something that happened during that visit.
#79761
A
and
B
for
C
but
D
as
I had promised to send him an email_______ I got home but I was so busy that I forgot to do so .
#32842
A
while
B
until
C
the moment
D
ever since
Students continue to eat in school canteen______ they complain the quality of the food .
#31472
A
as though
B
even though
C
as long as
D
unless