Question

【题目】____trees are cut down.
A.Two thousands
B.Thousands of
C.Two thousands of
D.Thousand of

Answer 1

【答案】B
【解析】句子意思是: ......树被砍到. 这里是短语thousands of(许多;数以千计的), 短语前不加数词, thousand单独用时不用复数, 组成短语thousands of时必须用复数. 因此A选项, C选项和D选项结构都不正确. 所以答案是: B.