And, But, & Or
We use and, but, and or to join ideas. And is used to join similar ideas. But is for joining contrasting ideas. Or is for joining alternative ideas:
Right now, Mark is watching TV, and Joanne is reading.
For dinner, I am having spaghetti and bread.
I don't like onions, but I love carrots.
Susan is a doctor, but she doesn't work at the hospital.
Is Brenda in the living room or the kitchen?
There are three or four customers in the store.
So & Because
Because is for describing reasons. So is for results:
We're eating because we're hungry.
I don't want to go outside because it's raining.
The children are playing, so they're happy.
They are married, so they live together.
Exercise
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