题目

The tsunami killed        people in south and southeast Asia. A.ten thousands                                                B.ten thousands of C.tens of thousand                                            D. tens of thousands of 答案:D 解析: 英语中如hundred,thousand,million,billion等概数词修饰名词时,若前面用了基数词,不论后面有没有of,都必须用单数形。但若前面没有准确的数字而后面有of时,则一定用复数形,表示数量之大。注意表达:thousands of+名词或数字+thousand+名词或tens of thousands of+名词。
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