B. independent clause - THAT= the subject, IS =verb, SINGER=object
The sentence in which the verb agrees with the subject is: The orchestra performs after this dance routine. The correct answer is option A. The subject of the sentence is the word "orchestra". This is an example of a collective noun, meaning, a group of musicians playing together. Since it is labeled as a group and only one group is mentioned in the sentence, then it should take the singular form of the verb which is "performs".
Example of a true statement: The thesis of a paper.
The correct answer is the third sentence: “We had a heavy hot meal and soon wanted warm snuggly naps.”
In this particular sentence a comma is not needed as the coordinating conjunction “and” joins an independent clause (“We had a heavy hot meal”) and a phrase which is not a complete clause; that is to say, it has not subject and verb, and it does not convey a complete thought (“soon wanted warm, snuggly naps.”)
The alphabet started to change, and so did the dialogue. "The letter thorn<span> (þ), which began to be replaced by </span>th<span> " many other letters changed as well.</span>