Answer:
The three sentences with correct capitalization are:
The holiday is Martin Luther King Jr.’s Birthday.
I’m going on Sunday, March 15th, but my grandmother will have to take us instead of my mother.
I love to eat Chinese food at The Noodle Chop Shop.
Step-by-step explanation:
In the first sentence, the proper noun “Martin Luther King Jr.” and the first letter of each word in the title “Birthday” are capitalized 1.
In the second sentence, the proper noun “Sunday” and the proper noun “March” are capitalized 1.
In the third sentence, the proper adjective “Chinese” is capitalized 1.
I hope this helps!