单项选择题

In spite of the wide range of reading material specially written or ______ for language learning purposes,there is yet no comprehensive systematic program for the reading skills.

A．adapted
B．acknowledged
C．assembled
D．appointed
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单项选择题
As we are on the point of some important business ______ with them, we should like to know exactly about their credit standing.
A．transmitting
B．transferring
C．transacting
D．transporting
单项选择题
The doctor was asked to go back to the hospital because of ______ case.
A．an operation
B．an emergency
C．a treatment
D．an incident
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