Prepositions are anywhere a mouse can go. So words like through, under, or over. I only see one prepositional phase, which is “Andrew ran through the hallway.”
Where are the choices listed with the question? helpless, naked, piping loud
Citation of a source creates a MLA or APA format.
simple, would be the correct answer
(context) plain means ordinary, primary means first and essential means is always needed.
(more context) even though you should do spell check it shouldn't be first and isn't always needed and part of spell check is to make it so it's not plain