A mirror is opaque because you cannot see through it
The word Composed goes best with the word understanding. Hope that helps.
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
A isn't correct because it would be Is
C would be were
so the correct answer is B Because Don't agrees with the subject
Answer:
because
Explanation:
they solved the crime already and theres no proof that's it wasnt