The teacher _______ have thought Johnson was worth it or she wouldn't have wasted time on him, I suppose.
Whatever he explained, he couldn't ______ the policeman that he was innocent.
It ______ ,for there is no one that can be relied on.
The final examination is coming up soon. It's time for us to ______ our studies.
The local people ______ building the new hotel because of the great cost.
_____________________,tomorrow, our ship will set sail for Macao.