单项选择题

The book will show the readers ______ can be used in other contexts.

A．that how have they observed
B．how that they have observed
C．that they have observed
D．how what they have observed
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单项选择题
Although ______ Spanish, he attended the course.
A．he was knowing
B．he is knowing
C．having a knowledge of
D．knows
单项选择题
A．CooperatingB．CoordinatingC．CorrespondingD．Cohering
A．Cooperating
B．Coordinating
C．Corresponding
D．Cohering
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