compound sentences

Front

I play the violin well, _____ the piano is my favorite instrument.

Back

but

Front

You may have soup, ____ you may have salad. Options: or, and, nor, yet

Back

or

Front

I got an A on the LA test, _____ I had studied hard.

Back

for

Front

Complete the sentence with the coordinating conjunction that makes sense: Mom brought a smart phone for our trip, _____ she took many pictures. Options: or, so, but, yet

Back

so

Front

Mrs. Immordino is a teacher, _______ she knows how to teach

Back

so

Front

We wanted to spend the day at the beach; ________, it rained so we stayed home.

Back

however

Front

Which compound sentence is correct?
Options: I went to the store, I got chips., The storm brought heavy rain but, a tornado did the most damage., I was tired I had to go to school anyways., Everyone was busy, so I went bowling alone.

Back

Everyone was busy, so I went bowling alone.

Front

Does this sentence need a comma?
I wanted to go to the store but I decided to stay home instead.

Back

Yes 

Front

Does this sentence need a comma? She said you were sick but I think you're just lazy.

Back

Yes

Front

Complete the sentence with the coordinating conjunction that makes sense: The weather today will be cool ____ rainy. Options: but, and, yet

Back

and