The ______, I think, he drew from his simple experiment is not scientific.
I regret __________ you that I'll have to leave for America tomorrow for some special reason.
We watched the map __________ to think up a practical way of getting __________ to the island.
We were sad to learn that several students were __________ by a car yesterday.
The sick boy lay in bed __________, listening to the songs on the radio.
He didn't attend class today, I guess he __________ have caught a cold again.