.His life was devoted to _____the poor out.
—Why do you always lie to our mother you love her cooking?—It's only a white lie, so _______.
My colleague has been recovering gradually since the operation, and it wont’ be long ______ he comes back to work.
Don’t you know ______, my dear friend, it is you that she loves?
She was so angry and spoke so fast that none of us understood ______ he said meant.
What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.