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
All the information we have collected in relation to that ease ______ very little.
A．adds up to
B．makes up for
C．puts up with
D．comes up with
单项选择题
We regret to inform you that the materials you ordered are ______.
A．out of work
B．out of reach
C．out of stock
D．out of practice
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