☆( )The telephone was invented______.A.on 1870s B.in 1870’s C.on _英语解答

☆( )The telephone was invented______.
A.on 1870s
B.in 1870’s
C.on the 1870’s
D.in the 1870s

人气：337 ℃　时间：2020-03-24 09:06:58

解答

D.
表示年代的应该不用’的吧.