Forcing thoughts to remain unconscious in order to avoid the anxiety that would result if they were conscious is the definition of which Freudian defense mechanism?

Anna's husband dies, and she continues to set a place for him at the dinner table. This is an example of

Bill has been having family problems lately. He has started drinking heavily the past few months. Whenever his friends approach him and accuse him of having a drinking problem, he acts like he doesn't know what they're talking about and denies the whole thing.

Karen decides to go out and party the whole week before her midterm instead of study. She fails her midterm, and tells her parents that she failed it due to being sick and not getting enough sleep. This is an example of what defense mechanism?

Tim is a shop owner and a thief. He automatically accuses anyone who looks suspicious in his store of stealing. This is an example of what defense mechanism?

"I'm so angry! I missed my bus, forgot my homework, and then I was late for work again which got me a warning. When I got home I punched a wall, screamed at my mum for burning the beans, (how can you burn beans?!). Then I kicked the cat." What defense mechanism am I displaying?

"Argh, my mother-in-law has come to stay for the weekend and she's driving me crazy. I'm just staying out of the way by doing the housework and washing up so that I'm not dragged into an argument about how much of a bad wife and mother I am." What defense mechanism does this illustrate?

"The way she spoke to me was completely unacceptable, but she's going through a tough time at the moment. I'd react the same way if my mother had just died." What defense mechanism am I expressing?

"It's so unfair! My mum doesn't care how much I cry and scream, she won't get me a car. She doesn't even care about me! She hates me!" What defense mechanism does this demonstrate?

Jenny blocks her bad memories of high school bullies from her mind. This is an example of what defense mechanism?