______ proves that Jack is really enthusiastic and cautious.
_____, tears came down.
They peasants did what they____ the crops, but failed.
When the old man _______ to walk back to his house, the sun ________ itself behind the mountain.
In 1960, this was the longest bridge that __________.
―Why? Where is the key to the sound lab? ―Dear me! You _______ it in the taxi!