John knocked at the door for nearly five minutes____his wife opened it.
| A．when | B．before | C．until | D．as |
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 |
The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
| A．likely | B．capable | C．possible | D．probable |
In spite of the thunderstorm, the children slept _____ all night.
| A．densely | B．soundly | C．loudly | D．noisily |