It’s a pity that his son was born ________ a weak heart.
I ______ two pens, and my brother ______ three.
—Are ______ your cousins? —No. I don’t know ______.
—Let’s watch TV. —Oh, no. It’s ______.
We play ______ basketball every day.
There is ______ “u” and ______ “s” in the word “bus”.