单项选择题

We recognized his voice () he spoke on the radio.

A. after
B. in case
C. the moment
D. while

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单项选择题
What was the trouble with the patient().

A. Had a fever, felt thirsty and couldn’t sleep well.
B. Had a bad cough and couldn’t sleep well.
C. Had a toothache.
单项选择题
How long had it been bothering the patient().

A. For a long time.
B. About 2 days.
C. More than one week.
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