问题

.The young ______ the vital forces inour society.
A:is
B:has been
C:are
D:have been
B:has been
C:are
D:have been
正确答案是:
同类题型
______ used to ______ a post office near myhouse.
Would you like some more sandwiches –No, thanks. I’m not _______ hungry.
I failed in the last exam and only then __________ the importance of studies.
I am still worried about the jobinterview.— Be confident and __________.
Let’s not pick these peaches until this weekend ___________they get sweet enough to be eaten.