Please don’t talk loudly here. The students _________ the teacher in class.

This is _________ alarm clock.

Over the past decades, the population in this countrybecause of the rising birth rate, immigration and the declining death rate

On hearing the news of the accident in the coal mine, she_____pale. [ ]

As many as 150 people died in the explosion. If only the owners ____ enough attention to the safety measures!