I live near the station, It’s only about five ________ walk.

She opened her eyes with a start and was about to cry out ________ she heard her father urgently telling her to keep quiet.

________ in a poor family, he can’t afford to go toschool.

Scientists have to work hard to keep_____ with modern discoveries and developments

The staff of the company are generally considered to have the excellent conditions and their children _____ a better educatin .