1、第四讲数词.用数词的适当形式填空1.As the(twenty) century came to a close，the raw materials for a great national literature were at hand，waiting to be used.答案：twentieth2.The boss said we had only three days to finish the work.Dont worry.We have already got through two(three) of it.答案：thirds3.The(twelve) man in a foo
2、tball team will play if one of the other players is ill.答案：twelfth4.Two(five) of the land in that district is covered with trees and grass.答案：fifths.翻译句子1.地球是月球的50倍大。答案：The earth is about fifty times as big as the moon.2.这所大学十分之三的学生来自南方。答案：Three students out of ten in this university come from the south.3.那个男孩买了几十支铅笔。答案：The boy bought dozens of pencils.4.他30多岁时去了美国。答案：He went to America in his thirties.
