With our knowledge _________ practice, we can make contributions to our society.
#91450
A
to base on
B
basing on
C
based on
D
base on
推荐题目
--- Why do you look so upset?--- ________, I had to take over his work.
#91324
A
His being away
B
He was away
C
He had been away
D
He being away
John received an invitation to dinner, and with his work ____, he gladly accepted it. 
#91246
A
finished
B
finishing
C
having finished
D
was finished
With his lips still _______ ,he couldn’t say a word.
#91346
A
trembling
B
tremble
C
to tremble
D
to be trembling