Things are ____ on the moon ____ on the earth .
— Kate wants to know if you _________ a picnic next Sunday.— Yes. But if it _________, we’ll visit the museum instead.
Why not _________ by boat for change?
— Jenny, _________ do you visit your grandparents?— Twice a month.
Albert! It’s time for you to go to bed, _________ you will feel tired tomorrow.
While my brother _______ football with his friends yesterday, my sister _______ her homework.