—Jackie, could you please repeat what I said just now?— Sorry, I ______.
But for the help you gave me, I _______ the examinations.
When a pencil is partly in a glass of water, it looks as if it ______.
You didn’t let me drive. If we ____ in turn, you ____ so tired.
Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.
Without the air to hold some of the sun’s heat, the earth at night ____ for us to live.