—The authors of computer viruses are geniuses.—I agree. If they applied their wisdom to other net technology        human beings can benefit, it would be better.
#4910
A
in which
B
through which
C
from which
D
during which
推荐题目
.Walking alone in the deserted village, John was scared. He thought he ______Tom to go with him.
#4735
A
might have asked
B
should ask
C
must have asked
D
should have asked
He apologized for _____.
#4530
A
his not being able to come
B
his being not able to come
C
his being able not to come
D
him not being able to come
.The teaching building is _________ by many trees, some ______ over 30 metres.
#4739
A
surrounded, measuring
B
surrounded, measured
C
surrounding, measured
D
surrounded, measure
Don’t forget to bring a dictionary next class. ___. I didn’t catch what you said.
#4677
A
Never mind
B
I beg your pardon
C
That’s right
D
I’m not sure