Answer:
Which sentence correctly uses a comma to join an independent and dependent clause?
When you reach your destination please, give me a call to check in.
I will plant the vegetable garden, after I’m done mowing the grass.
My cousin who is a black belt in karate, taught me a lesson in self-defense.
Although I had been looking forward to the concert, I was just too tired to go.
Explanation:
The answer is <span>a. (1) talkies; (2) many film stars could no longer act because their voices were not well-suited for film.
After silent films, films with sounds were developed and were named "talkies". The first talkie film was The Jazz Singer. This was the beginning of talking dialogues in films, which is why silent film actors with strange voices were no longer cast.</span>
