–How well she sings!  ---Yes, she has a very sweet ____________.

—Tommy, you can never let others know what I have told you today.—Don’t worry. I will keep the ______.

—What do you like for breakfast?——I like_______

Can you help me to send a ________ to Tom? 

--I hear you are not allowed to eat in class. ---Right. It’s one of the ___________in our school.