Teaching is not ____ a matter of spreading knowledge----it also calls for the ability to build up the students’ personality.
I often think of the hours _______ I stayed with you, _____ has had a great effect on my life.
— Has your mother finished her paper yet? — I don’t know; she _______ it this morning.
Every morning, week in, week out, from dawn to dusk , he ______ his place on the bend.
It was in 1990 ______ the medicine was tested on human patients.
I didn’t pass the oral test, so I am not _____ the mood to tell jokes.