Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
#31283
A
when
B
before
C
while
D
since
推荐题目
—How long has John been here? — Two years, _______ he still has no friends.
#30856
A
and
B
so
C
but
D
or
(2013·高考四川卷)He is so busy.He cannot afford enough time with his son________he wants to.
#30663
A
even if
B
as if
C
because
D
before
A man does not know the difficulty of anything _____ he does it personally .
#80502
A
although
B
if
C
because
D
unless
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
#79843
A
that; before
B
which; since
C
X; when
D
that; since
. Do what you think is right, ______ you will gain a surprising happy ending.
#34290
A
and
B
but
C
before
D
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