电话是在1876年发明的。翻译
The telephone was invented in 1876.
暂无解析
Peopletodayarehighlyconcernedaboutthequalityoftheairthey___(breath).
It’s___(reasonable)toexpectpeopletoworkmorethan60hoursaweek.
Ifyouhavetheright___(equip),youwon’tfindthejobdifficult.
Each student is to give a short___ (speak)to the rest of the class at the end of the semester.
It is essential that you__________any document carefully before signing it.