his composition was so confusing that I could hardly make any ____ of it.
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
There used to be a small school,___________?
The two strangers talked as if they ____ friends for years.A should be B would be C have been D had been
—Mum, I’ve been studying English since 8 o’clock. ____ I go out and play with Tom for a while?—No, I’m afraid not. Besides, it’s raining outside now.
—What does the sign over there read?―“No person ______ smoke or carry a lighted cigarette,cigar or pipe in this area.”