Question

All of the following punctuation marks can be placed at the end of a sentence EXCEPT a ....A.period B.Question mark.C.semicolon D.Exclamation

Answer 1

C.semicolon because that means that your adding something behind

Answer 2

Semicolon, it goes in between words, not sentences. Period is the most common one to go behind a sentence, then a quiestion mark for questions, and exclamation for excitement.

Examples:
"Dawn's room needs to be cleaned; it is very messy and unorganized."
"Dawn, make sure you clean up your room." 
"Dawn, did you clean up your room today?"
"Dawn, clean up your room!"