单项选择题


A．so early as
B．earlier than
C．early when
D．as early as
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单项选择题
A．dwellingB．inhabitedC．livedD．existing
A．dwelling
B．inhabited
C．lived
D．existing
单项选择题
What is the author's purpose of referring to Sam's broken bicycle
A．To illustrate the ways to repair his bicycle.
B．To discuss the problems of his bicycle.
C．To tell us how to solve a problem.
D．To show us how to analyze a problem.
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