The scientist’s last words _________us thatwe should protect the environment around us.

They speak perfect English. How long have they learnt it— ______ they were seven years old.

ted, please and I’ll make you a cup of tea.—_________.Let’s come to the point first.

It is said that many businessmen in America have _______ much of their money to the people in need.-A growing number of Chinese are doing so as well.

The policemen regretted _______ as soon as possible at the alarm.