Heads from different countries gathered in Amsterdam and President Xi jinping _____ a speech on nuclear safety.

The telephone _____ three times in the last hour, and each time it _____ for my sister.

The news that he failed in the exam _______ his unhappiness this morning.

—Was he still there when you were away to answer the phone?—There is no doubt about it, but he ________ soon afterwards.

The support of the students ______ the losing team and they played harder, so in the end they won the game.