You’d better take something to read when you go to see the doctor __________ you have to wait.
Going out of the park, the visitors all said they were deeply __________ by what they had seen there.
He showed a great __________ for languages.
On hearing the news of the accident in the coal mine, she __________ pale.
—Did Jack come back early last night? —Yes. It was not yet eight o'clock __________ he arrived home.
In order to finish the work on time, we can't __________ to waste a single minute.