Mistakes don’t just happen; they occur for a reason. Find out the reason and then making the mistake becomes ________.
| A．favorable | B．appropriate |
| C．essential | D．worthwhile |
-- Why was the driver taken to the police station last night?
-- Because he refused to ______ to a blood-alcohol test and attacked the police.
| A．apply | B．object | C．submit | D．belong |
The patient was in bad need of operation but there was no guarantee(保证) that she would survive the anaesthetic (麻醉剂), which made the doctors on the horn of a __________.
| A．process | B．arrangement | C．ceremony | D．dilemma |
You _____ get the machine repaired this week. I won’t need it until next month.
| A．mustn’t | B．needn’t | C．shouldn’t | D．can’t |
Our manager never fails to answer a phone call ______ she is very busy.
| A．since | B．once | C．even if | D．so that |
Because of the lack of funds, the tunnel project has already fallen behind ________.
| A．situation | B．speed | C．insurance | D．schedule |