——You’re so lucky to have a best friend. What does he like? ——
Ann was ____ a good mood and kept ____ jokes to us.
________good advice! It’s so helpful to us.
—Mary was heard_______ just now. What happened? —John was telling a joke.
It is silly ______ you to give up ______ to America for further study.
Would you like to __________us in watering flowers?