Thenumberofaircrashesthat
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问题详情:
The number of air crashes that _______ in developing countries _______ increasing.
A. happen; is B. happens; is C. happens; are D. happen; are
【回答】
A
知识点:主谓一致
题型:选择题
问题详情:
The number of air crashes that _______ in developing countries _______ increasing.
A. happen; is B. happens; is C. happens; are D. happen; are
【回答】
A
知识点:主谓一致
题型:选择题