english is widy used.many business letters around the world()initA.are written B.were written C.are writing C.were writing

分类: 作业答案 • 2022-07-14 23:49:49

问题描述：

english is widy used.many business letters around the world()init
A.are written B.were written C.are writing C.were writing

答

选A,前后时态一致,复数用are