You know who came to our schoolyesterday– Professor Smith We once met at aconference– ______ He came and gave a wonderfulspeech

the police thought he was the most likely one, since they had no exact proofabout it, they could not arrest him

What shall human beings do if oilsometime in the future?

What is your favourite ____， Tom —I like English best.

We the manager , but no one the telephone number .