.---You seemed to have been impressed by his songs.---Well, not exactly so. It was his way of singing____ his voice that really impressed me.
I was trying to sound __________ even when I was very nervous while I was making the speech.
—Who's the man talking to our teacher? —A professor __________ a visit to our school.
Many people __________ death in the earthquake as a result of the delay of the food supplies.
In some cases, different approaches __________ the same scientific problem lead to the conflicting theory.
A notice was __________ in order to remind the students of the changed lecture time.