. If it ______ for the fence, he ______ into the river. A. were not; fallen B. had not been; could have fallen C were not; could fall D. had not been; could fall
________ at the cafeteria before, Tina didn’t want to eat there again.
If _____ to look after luggage for someone else, inform the police at once.
The sun began to rise in the sky, ________ the mountain in golden light.
You cannot accept an opinion ________ to you unless it is based on facts.
(2013·湖南卷) ________ warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.