Everyone _____ make mistakes.So you needn’t care about it that much.
As soon as the manager enterd his office, he began to ______the telephone. A.look up B. look upon C. look through D look for
The little girl couldn’t work the problem out. She wasn’t _____clever.
A computer cannot remember who_____; it simply does what _________.
The famous scientist was going out _____ he found himself surrounded by lots of young people.
– Look! What are those boys doing ______ the table? ---Well, they are playing cards.