Answer:
The error is that your forgot to put an apostrophe before the "s" in "Grandpas".
Explanation:
The sentence should now look like this: Grandpa's making us sushi tacos for dinner.
Hope this helps!! :3
Answer:
B.)
Explanation:
In the 1920s, radio and cinema contributed to the development of a national media culture in the ... For many middle-class Americans, the 1920s was a decade of ... People of all ages attended the movies with far more regularity than today, often ... played Major League Baseball, and was one of the founding members.In the 1920s, radio and cinema contributed to the development of a national media culture in the United States
I think it is the second one, with the company
Clumps, waves are the two plural nouns.