It does not need quotation marks if it contains that.
If you want quotation marks, omit the that and just say
The teacher said “ I am cancelling the test.”
Answer:
They don't( do not) play volleyball every week.
A protagonist's tragic flaw that leads to his/her downfall is referred to as hamartia.
Answer:
Half is one of the most multi-functional words in English, being used as a pre-determiner, a pronoun, an adjective, an adverb, a countable noun and a numeral.
Explanation: