火灾产生的烟雾让他不停地咳嗽。
The smoke from the fire made him ___cough repeatedly.
她得了重感冒,咳嗽停不下来。
She had a bad cold and couldn't stop ___coughing.
如果你咳嗽得很厉害,最好去看医生。
If you ___cough a lot, it's best to see a doctor.