问题
选择题
You think your ruler is very long，but his is _________yours.
A．twice as long as
B．three as long as
C．twice longer as
D．once as longer as
答案
A
此题考查倍数的表达法。
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You think your ruler is very long，but his is _________yours.
A．twice as long as
B．three as long as
C．twice longer as
D．once as longer as
A
此题考查倍数的表达法。
