注意：此页面搜索的是所有试题
题目内容
（大学英语1）
5.Mrs.White became a teacher in 1985.She_____for twenty years by next summer.
A.will teach
B.has been teaching
C.would have taught
D.will have been teaching
A.will teach
B.has been teaching
C.would have taught
D.will have been teaching
参考答案
