A study has found that 80% of the people who ______ to be constantly distracted ______ more “working memory”.

A boy with two dogs_____ when the earthquake rocked the city.

E-mail, as well as telephones, ____________ an important part in daily communication.

Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees. 

Everyone, including my parents, ____ going to be at the party.