التالي
الحل
انجليزى 2
people have had credit cards since 1951 for about 70 years (have)
1- 1- people have eaten canned food since the early 1800s
2- they have worn wristwatches for about a hundred years
3- people have listened to radio since 1901
4- people have used toothpaste since 1841
5- they have had electricity since 1879
6- people have watched documentary films since 1895
7- they have used paperclips since the 1890s
8- people have traveled by airplane since 1903
9- people have used ballpoint pens since 1888
