The best answer here is: pitch (3).
pitch is the level at which your voice operates (this can be high or low) and an optimum pitch is the optimum level for your voice.
1. I what he was doing there
2.He
replied that he would come.
3.She asked if I could [help] her.
4.That honesty is the best policy is a well-known fact.
5.I expected that I would get the first [prize].
6.Do you know why he is [late]?
7.I don’t know what he wants.
8.Pay careful [attention] to what I am going to say.
9.That she should forget me so quickly [hurts] me.
10.That you should [behave] like this is strange.
please do all of them
<span>The neighbor waters our plants whom we trust the most while we travel.
The way this sentence is phrased, it sounds as if your trust the plants and not the neighbors.</span>
<span>Ishmael Beah was able to learn about the existence of the Sierra Leone Civil War because of the dispute on his outpost. He was a very renowned author or several items including: (1) A long way gone, and (2) Memoirs of a Boy Soldier, and (3) Radiance of Tomorrow. His works were published in several languages. </span>
D and then if that doesn't work B. If you have anything else to ask me further about my answer (cause I have got to admit it is quite vague) just ask.
Hope this helps :) x