问题
选择题
There has been_____ rising demand for grain as_____ industrial material in spite of the nation’s
good harvests.
A．/, an
B．a, an
C．the, an
D．a, /
答案
答案：B
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There has been_____ rising demand for grain as_____ industrial material in spite of the nation’s
good harvests.
A．/, an
B．a, an
C．the, an
D．a, /
答案：B