You can start by repeating the question like if it was "where does water come from?" then you ask: where does water come from so add a little introduction and answer and it becomes: Where does water come from? water comes from this and that and that and this but also this and that and it all does this and that while that and this is happening
Answer:
"This type of treatment is recommended by doctors all over the world."
Um. Sorry not to be rude but please be a little more specific.. I don't know what's going on here haha
Answer:
D
Explanation:
the answer is D, if the clause is within commas it is non-essential, meaning the sentence will make sense if the words within the commas is removed.