单项选择题

Some people think that CD-ROMs will soon be______books.

[A] as more popular as
B. as popular than
C. more popular than
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单项选择题
______, I didn’t know how to use the machine.
[A] At beginning
B. At first
C. At start
单项选择题
How much is one shin
[A] Forty.
B. Twenty.
C. Ten.
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