He has been        the computer for two hours, chatting with a boy from Australia.
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A
in
B
on
C
at
D
by
推荐题目
I gave him a present but he gave me nothing ________
#28739
A
in cash
B
in relief
C
in charge
D
in return
The sailors had faith ____ Captain Cook for he was honest ____ them.
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A
of; about
B
with; with
C
in; with
D
for; about
Everyone in this country enjoys the same right ________ religion, race or sex.
#27398
A
regardless of
B
in view of
C
in spite of
D
in case of