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单项选择题

He spent______collecting materials for his article.

A．a half year
B．half year
C．half a year
D．half of a year
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热门试题

单项选择题By no means______our mistakes.

A．we ought ignore
B．we ought to ignore
C．ought we ignore
D．ought we to ignore

单项选择题English is used by more people than is______language except Chinese.

A．any
B．any other
C．other
D．all other