The easiest thing to do for this in the future would be to go on google and type "Define:" then the word you're looking for in the search engine.
I did that for the first one and got this;
char·la·tan[ˈSHärlədən, ˈSHärlətn]NOUNa person falsely claiming to have a special knowledge or skill; a fraud.
Would you want to go to a fraud for medical treatment? Of course not! So you'd write "no" and explain what it means to be a charlatan.
Do the same for the other ones and you'll mange to find the answers with no problem at all!
For the alphabetical one, just put the five words in order and pick the middle one, and for the questions of your own just make up clever questions like the other ones on the worksheet using new words that you find in the dictionary. I recommend searching a word you know then looking at synonyms on the thesaurus to find new words. <span />
In addition, the past three decades have seen prenatal substance use become a ... Of pregnant women aged 15–44, 5% report current illicit drug use, ... exposure to substances is a significant public health problem. ... fear and stigma create barriers to care and result in unmet needs for this population
look at the singular words that describe things for example "a" and look athe words "their" and things to know the difference of a plural and singular.
