____ succeed in doing anything .

Little ______ about his own health though he was very ill.

We should keep it in mind that beneath our feet ______ that our life depends on for food and clothing.

We must apply what we have learned to our daily work because in no case _____ from practice.

Stone seldom, _______, refuses to help others when they turn to him, for he is only too ready to do so.

The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.

The president was so absorbed in his work that not a sound ______.

Most American cities are relatively small in terms of population when _____ with Chinese cities like Shanghai and Beijing．

Only when I read the Frog by Moyan a second time _________ to appreciate his magic realism.

－David has made up his mind to continue with his studies.
－_______ and _______.