International football matches always_____better understanding between countries all over the world. [ ]

The machine has begun to ___.

(2013·辽宁，26)At no time________the rules of the game.It was unfair to punish them.

Do you think Allan came by taxi?– No. If he had, I don’t believe he ______ his bike here.

by the advances in technology, manyfarmers have set up wind farms on their land.