It was at the school gate ______ I met an old friend of mine after class.
Please do not feed the fish; they _____ die if they eat too much.
E-mail, as well as telephones, an important part in daily communication.
Have you found the poor dog yet— Yes. But he was _______ when we found him. The bad weather killed him.
The song he sang at the party ______the most popular of all