1.The old couple have been married for 40 years a

1.The old couple have been married for 40 years and never once ________with each other.
A. they had quarrelled B. they have quarrelled
C. have they quarrelled D. had they quarrelled

第1个回答  2014-11-06
c
第2个回答  2014-11-06
C追答

否定加倒装

第3个回答  2014-11-06
C本回答被提问者采纳