上午遇到老师和同学时,应说:______________________.A. Hello B. Good afternoon C. Good morning.
When the teacher asks him, he always ____.
Mr. Li makes me ____, because it is bad for my health.
Tom didn’t go hiking with his classmates ____ his illness.
Your mother prepared delicious food for us yesterday. Please say thanks ____ her.
Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.