It’s surprising that your brother __________ some knowledge of the computer just by watching others working on it.
____under the tree was a charming girl aged about seventeen or eighteen.
—Will you attend the meeting this afternoon? —But I ________ told anything about it.
He wrote a long letter ___he explained what had happened in the accident.
—The constant noise around here______ me crazy!—Calm down.It’s no use complaining.
—Hurry up!There’s a bus coming!—Why run? There will be_____one in two or three minutes.