What always has to happen FIRST? *This doesn't mean it will always be explained first in a sentence!

What signal word is found in this sentence: I did not clean my room, therefore I couldn't play my favorite video game after dinner.

What is a possible cause for this scenario? Tommy had a cast on his leg.

Select all possible effects to the following scenario: Melissa did not save her allowance money.

Cause: Seeds are planted in the garden. What is the effect?

Effect: I bought Sam a gift. What is the cause?

Cause: It was very hot today. What is the effect?

Mila's family decided to have a garage sale. Mila collected all of her old games and toys to sell at the sale. A lot of people came to the sale and Mila sold almost everything. She spent the money she made on a set of books she had been wanting to read for a long time.

What was the effect of Mila selling her old games and toys at the garage sale?