Do you _________ or serve in an organization or are you a member of some group?
#12567
A
simplify
B
require
C
sign
D
volunteer
推荐题目
(2013·高考湖北卷)While intelligent people can often________the complex,a fool is more likely to complicate the simple.
#11946
A
sacrifice
B
substitute
C
simplify
D
survive
There were lots of people standing watching, yet no one of them ________.
#12672
A
offered to help
B
offered helping
C
was offered to help
D
was offering help
