THE TELEPHONE _______ BY ALEXANDER GRAHAM BELL.A. BEING INVENTED B....

20. - KEY KIEM TRA SO 2 40C TNGHIEM
Lớp 12 Tiếng Anh KEY KIEM TRA SO 2 40C TNGHIEM
20.The telephone _______ by Alexander Graham Bell.A. being invented B. inventing C. invented D. was invented