Is Mike at home?—No. He _______ with his brother.

What’s your sister doing? — She is singing a song _______ my mother. [ ]

Math is too difficult. I want to give it up. —Please don’t. Nothing is _________if you put your heart into it.

______ have you been learning to play the violin?—Since I was rive years old.

Were your parents __________ the fashion show on Friday?[ ]