—Who is that young man ____?—He’s Jack, my brother.
—Why did you put these photos on your desk? —Because they can ______ me of my old classmates and friends.
—Look at your hands, John. ______ of them is clean. —OK, I’ll wash them at once.
My brother has a ______ daughter. She’s kind and lovely.
We consider ______ some signs to stop people from smoking here.
Personal computers ______ in 1976. It has changed the whole world.