Sam         some knowledge of the computer just by watching others working on it.
#71229
A
brought up
B
looked up
C
picked up
D
set up
推荐题目
After he became conscious, he remembered ______ and_____ on the head with a rod.
#66833
A
to attack; hit
B
to be attacked; to be hit
C
attacking; hitting
D
having been attacked; hit
In that terrible earthquake,      who were killed was more than 60,000.
#67920
A
a large number people
B
the number of people
C
a number of people
D
many people