We have been good friends for years.And we must ___ the friendship between us.
#81138
A
go on with
B
keep on
C
keep up
D
remain
推荐题目
One of the provinces in the north has          to form a new state. 
#68122
A
broken down
B
broken up
C
broken out
D
broken away
As the crowd rushed towards the gate, several people got______.
#70636
A
knocking down
B
knocked off
C
knocking on
D
knocked over