The thought of going back home was     kept him happy while he was working abroad．

   there is a snowstorm or some other bad weal. her, the mail always comes on time.

By improving reading skills, you can read faster and understand more of   you read．

—Did you see who the driver was?

—No, so quickly,     that I couldn’t gat a good look at his face.

   the safety of gas, the government has checked the city’s gas supply system thoroughly.

She wants her paintings   in the gallery, but we don t think they would be very popular.

   tomorrow, our ship will set sail for Macao.

AIDS control and prevention is a   to China as well as the whole world．

If your race car isn’t insured, you may   losing everything when it hits something solid．

Although the country has had political independence for over a century,   it needs the support of its neighbors.