填空题

S5

【参考答案】

focusing改成focus。
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单项选择题
A．A bicycle isn’t a safe means of transportation.B．The man doesn’t need a new bicycle.C．She doesn’t know how to fix a bicycle.D．The man should not be so particular about choosing a bicycle.
A．A bicycle isn’t a safe means of transportation.
B．The man doesn’t need a new bicycle.
C．She doesn’t know how to fix a bicycle.
D．The man should not be so particular about choosing a bicycle.
单项选择题
A．American industrialists.B．French economists.C．International leaders.D．Civil War veterans.
A．American industrialists.
B．French economists.
C．International leaders.
D．Civil War veterans.
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