The mobile phone has influenced people’s life a lot since it ___________.

Listen, Mum. I heard the footsteps. Is it Dad —It ___ be him. He’s gone to Beijing on business this morning.

There ________a football match in our school this afternoon

下列各句中，加点的成语使用恰当的一项是

It’s the sort of work that _______ a high level of patience. [ ]