Don't be joking. It's time to____________ your business. 
#83349
A
set out
B
take up
C
go on
D
get down
推荐题目
We happen to   age.
#80808
A
be the same
B
be of an
C
have the same
D
have an
The accident      to the man who        to be a foreigner, so it was hard to deal with.
#72744
A
occurs; happened
B
happened ;occurred
C
came about; occurred
D
occurred ;happened