【单选题】
Her words, ________ in a hurry, is really hard for me to recognize.
【单选题】
After the experiment in the laboratory, they began _________ their reports.
【单选题】
If I had had enough time, I __________ it well.
【单选题】
_________ the teacher’s voice, the little girl became nervous.
【单选题】
_________ no money, we could do nothing.
【单选题】
Electric power is produced by __________ water.
【单选题】
They stood there, _________ the bus.
【单选题】
She was often seen _________ shoes for others at a shoe stand.
【单选题】
This is the farm ________ he used to work.
【单选题】
Air is very important, _________ we cannot live any more.