—David, are you listening to me?—Sorry, Dad. I ________ to make sense of what the reporter said.

 The new computers ______ to the village school. Do you know?—Yes. I heard of it.

My friend Tom _______me __________ for an hour yesterday.

This is the best hour I can _________ I_________ in the past twelve years.

While my mother________ some washing, I was making  a kite for Mary.