The consequences of our actions are unbelievably complicated and diverse _______ predicting the future is a very difficult business indeed.
| A．because | B．even if | C．in order that | D．so that |
Alice was very sorry to hear that her grandmother had _____ two days before.
| A．broken off | B．passed off | C．given away | D．passed away |
People cannot but feel _____, for they simply cannot understand how he could have made such a stupid mistake.
| A．puzzled | B．delighted | C．comforted | D．inspired |
The chances of discovering life on Neptune are about a million _____.
| A．at one | B．for one | C．to one | D．against one |
I _____ her not to walk on the thin ice but she would not listen to me.
| A．warned | B．persuaded | C．suggested | D．noticed |
She is making herself ill with _____ over her son's future.
| A．trouble | B．annoyance | C．disgust | D．worry |