Getting out of the crowded bus, ______
-- Why was the driver taken to the police station last night? -- Because he refused to ______ to a blood-alcohol test and attacked the police.
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 __________.
You _____ get the machine repaired this week. I won’t need it until next month.
Our manager never fails to answer a phone call ______ she is very busy.
Because of the lack of funds, the tunnel project has already fallen behind ________.