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
Is it the country ________ you studied ________ you are going to visit next week?
#33526
A
in which; which
B
where; that
C
that; that
D
where; where
--The plane is due to take off at 7∶50 from the airport. --________ we fail to arrive there in time?
#33063
A
What if
B
As if
C
Even if
D
Only if
_______ he lives in a rich family, he started from the lowest position as an ordinary worker to make his living.
#31641
A
While
B
Unless
C
As
D
Since
It is the interaction between people, rather than the events __ occur in their lives, __ is the main focus of social psychology.
#30898
A
that, that
B
that, which
C
which, which
D
that, what