---Will you please stay here for the party?---Sorry, I _____. I have to go to visit my grandfather in hospital.
The soft music sounds ________. We are all listening ________.
—I’m always afraid of giving a speech in front of the class. —________.You can do it well.
At the beginning, I found it hard to get up early. Now I ________getting up early.
Tom didn’t go hiking with his classmates ________his illness.
Helen is 15 years old, and Joan is 15, too. So Helen is________Joan.