Sam _____ some knowledge of the computer just by watching others working on it. 
#12290
A
brought up
B
put up
C
set up
D
picked up
推荐题目
Ten minutes later,a bus________and everybody got on it.
#13149
A
came up
B
added up
C
looked up
D
put up
. Professor Lee is considering going to teach in Shenzhen, where he can get paid_________.
#14429
A
as five times much
B
as much five times
C
much as five times
D
five times as much
It was _________ to everybody that he was angry.
#10542
A
regular
B
special
C
generous
D
apparent