In Scandinavian countries it is common ____ for the husband to stay at home to look after the baby.
Computers and mobile phones, though they are indeed making our life________ and more________, have reduced the need for face-to-face communications.
The news shocked the public, ________to great concern about students’ safety at school.
.Everything comes with________ price; there is no such________ thing as a free lunch in the world.
Teachers recommend parents________ their children under 12 to ride bicycles to school for safety.
For many years, people________ electric cars. However, making them has been more difficult than predicted.