It’s suggested that everyone should_______ at least one hour a day to keep fit.

“Tommy, run! Be quick! The house is on fire!” the mother shouted, with clearly in her voice.

Have you heard the latest news? —No, what______?

What does Millie like eating I want to buy some food for her.—Millie, her mother, enjoys eating fruit.

There are some book shelves in the back of our classroom, on which are various magazines and reference books, making reading materials more _____________to the students.