____you had worked hard, you would have easily passed the final test.
| A．When | B．If | C．Thought | D．Since |
The accident that happened at an oilfield ______ the southeast coast of the USA has caused great damage to the environment.
| A．away | B．from |
| C．off | D．beyond |
---I thought you were going to call me last night about the plans for the conference.
---Sorry, I ______. But Tom and Jane stopped by and stayed until midnight.
| A．must have | B．can’t have |
| C．might do | D．should have |
---Do you mean that we have lost our way?
---_____, my dear. We’d better ask someone for help.
| A．Absolutely | B．Entirely |
| C．No problem | D．All right |
I waited for him at the train station for an hour and I was afraid that he may miss the train, but luckily, he showed up with only ten minutes ______.
| A．remain | B．to remain |
| C．remained | D．remaining |
Maybe he ______ to stick to his ridiculous thought at the moment, but, trust me, he will change his mind tomorrow morning.
| A．is stupid | B．was stupid |
| C．is being stupid | D．was being stupid |