Answer:
The tour guide, who has become a good friend, is great!
Explanation:
The commas help separate the two ideas in one sentence correctly. A good way to check that this is correct is to remove the words separated by the commas - "who has become a good friend" - and check if the sentence still makes sense. In this case it would be "The tour guide is great!" which makes sense as a sentence. Thus, this version of the sentence is correct.
The answer is the last one, D. All of the other transitions indicate that the writer will either go into further detail on the subject or list other reasons as to why this would be correct. However, D clearly uses a contrasting transition to introduce a new argument.
a barber who belonged to a family of professional musicians revived it by taking a wider and longer hollow stem and making seven holes in it. The improved pungi produced soft and sweet sounds.
Answer:
D. He laboriously studied the birds migrating to the local sanctuary.
Explanation:
The most widely accepted guideline for using participial phrases is to properly punctuate them whenever they appear in a sentence. When the information in a participial phrase is not essential to the meaning of the sentence as a whole, it is put in the middle of the sentence and only separated by commas.