The teacher is already standing here. Do you know when she ______

Have you________your father to give up smoking?-No,I talked to him many times but he would not accept my advice.[ ]

The pen I______I ________is on my desk, right under my nose

e President Xi Jinping appeared at the Sochi Olympic opening ceremony, ______ China’s strong support for the Olympics and Russia’s efforts to host the Games.

When and where this took place _____ still unknown.