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A．Because everyone wore her best clothes.
B．Because the classroom had never been a studio.
C．Because the speaker was going to be well known.
D．Because it involved a lot of equipment and workers.
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A．Computers are commonly and widely used in home and offices nowadays.B．Computers are easily to be attacked.C．Adopting good computing practices is a good advice to protect the computer.D．The viruses are too fearful, computer is not safe any more.
A．Computers are commonly and widely used in home and offices nowadays.
B．Computers are easily to be attacked.
C．Adopting good computing practices is a good advice to protect the computer.
D．The viruses are too fearful, computer is not safe any more.
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