The singer, who was very talented, knew the words to the song.
<span>The answer is letter D.
Rocket is the simple subject in the sentence above. Simple subjects are the most basic units in sentence constructions. A subject is a noun that talks about a person, place, thing, or idea. It tells us what the sentence going to be about and without it we cannot have a complete sentence that has sense. In the sentence above, the rocket is the subject of the sentence which is responsible for the effect of making space travel possible.<span>
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The use of the prepositional phrase is "on the roof".
On is a preposition and the phrase ends at roof.
I hope that helped!
the first one :-) it sites the source better than the other three
