For some students, the computer serves only _____ a tool that is used to play games.
#27366
A
of
B
in
C
as
D
to
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______ the cold, thin air and low oxygen levels also can cause mountain sickness.
#26380
A
On behalf of
B
Apart from
C
In terms of
D
Except for
.__________having hundreds of online "friends" is great, our real and closest connections still lie with those who are a part of our daily lives.
#27737
A
As
B
Once
C
While
D
When
— Did Mike call ______you yesterday?— No, but this morning he called _______my office.
#27442
A
at; on
B
on; on
C
at; at
D
on; at
Laws are what keep society ______ and the nation at peace.
#25771
A
in order
B
in need
C
in fact
D
in existence