I insisted _____ to see a doctor, but heinsisted nothing ____ wrong with him.

Harry is _____ my neighbor. He is a good friend of mine as well.

he development of science and technology, the prices of TV sets have ________.

May I speak to your manager at four o’clock thisafternoon–I’m sorry. He ________ to a conference long beforethen.

We were swimming in the lake _______ suddenly the storm started.