Mary and I see each other , but not as often as we used to.A.sooner or laterB.in
来源：网络
时间：
推荐文章
Mary and I see each other ______, but not as often as we used to.
A.sooner or later
B.in a while
C.sometime
D.now and then
试题答案
D
由后句关键词：not as often as推出此处为时而---。