He is very ______and he always explains things _____us.
—Bill,is the pink umbrella Anna’s? —No,it________be hers.Hers is purple.
—Why are you so________? —My son hasn’t been back.It’s dark outside.
—Who is your favorite________? —It’s hard to say.I prefer Hemingway.
—Who is the woman? —She is________mother.
—Whose handbag is this? —It________Kate,I think.