单选题
—How far is it from your house to the factory?
A. Two thousands kilometres
B. Two thousand kilometres
C. Thousand of kilometres
【正确答案】
B
【答案解析】thousand前面加数词后，不能加“s”，如：three thousand三千。而thousand后接of时要用复数形式，表示成千上万，后面所接名词要用复数形式。如：Two thousand kilometres两千公里；或thousands of kilometres好几千公里。