Hurry up ___ we ___ miss the train

Everyone is different and that is ________ makes our world so much better

Professor White has received a letter ___ to give a lecture in Peking University.

This year’s Nobel Prize in medicine was awarded to two researchers from the United States and Japan for advances in discovering how the body’s immune system fights against cancer.- Yes.____.

The lady in this photo _______ be over fifty! She looks so young!