题目内容
I___swim when I saw a sign written by the police.
- A.was about to
- B.would
- C.was going to
- D.was to
D
练习册系列答案
阅读快车系列答案
相关题目
I___swim when I saw a sign written by the police.
| A．was about to | B．would | C．was going to | D．was to |