题目内容
16、Great efforts to increase agricultural production must be made if food shortage _____ avoided．
A．is to be B．can be C．has been D．will be
试题答案
16、A
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Great efforts to increase agricultural production must be made if food shortage _____ avoided．
A．is to be B．can be C．has been D．will be
查看习题详情和答案>>Great efforts to increase agricultural production must be made if food shortage ________ avoided．
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A．is to be
B．can be
C．will be
D．has been
Great efforts to increase agricultural production must be made if food shortage _____ avoided.
| A．is to be | B．can be | C．has been | D．will be |