单项选择题

You promised her a letter; you ought to _______ days ago.

A. write
B. be writing
C. have written
D. be written
<上一题 目录 下一题>
热门 试题

单项选择题
Henry _______ a rich man today if he had been more careful in the past.
A. would be
B. is
C. will be
D. was
单项选择题
Come and see me whenever _________.
A. you are convenient
B. you will be convenient
C. it is convenient to you
D. it will be convenient to you
相关试题