↑ 收起筛选 ↑
试题详情

The UN system is a major purchaser of goods and services ,_______over $4 billion a year .

A.to total

B.totaling

C.totaled

D.total

高三英语单项填空困难题

少年,再来一题如何?
试题答案
试题解析
相关试题