I remember a _____ famous scientist said that we should believe in ourselves first of all.

--- Are you satisfied with what he has done? --- Not at all. It can’t be ________.

Are you still hoping and waiting for someone somewhere to come to your rescue, wave a magic stick and immediately change your life for _________?

Such problems as high blood pressure and heart trouble are _________ features of old age.

We are all____ of the poem “Children, quickly, hold mother’s hands” and moved by it.