问题

Great efforts toincrease agricultural production must be made if food shortage ______ avoided
A:that;This
B:this;It
C:it;This
D:that;It
B:this;It
C:it;This
D:that;It
正确答案是:
同类题型
Mrs Brown has such a terrible________ that she has forgotten her neighbour’s name again.
Only after they had discussed the matterfor several hours a decision .
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stayed inside himself, ______ to be alone, or ina corner of the cabin
y after suffering from a massive earthquake and toruins, the city took on a new look.