---A: Sorry, I didn’t return your book on time.---B: _______.
— Grandpa has changed a lot. — So he has. He used to _________ games with the children.
—________do you prepare for an exam? — By going over all my notes.
—What’s wrong with you? —I wasn’t careful enough and _______an old man while walking along the street.
—Shall we drink the tea now? —No, the tea should be ______in the water for some time before you drink it.
—I didn’t find my pen yesterday. —Sorry, I took your pen __________.