There are many sales this season, during which stores will lower their _______ prices.

The traffic was held up for more than thirty minutes, ________ caused me to arrive late.

He bought a house for his children ________

I would love ________ to the party last night but I had to work extra hours to finish a report.

The house was quiet in the night, ________ the occasional coughing from my throat.

________ in thought, he almost ran into the car in front of him.

It _______ for two hours now

By the middle of the 21st century, the vast majority of the world ’s population will be living in cities _______ in the country.

The government called out policemen to suppress the riot.

The missing boys were last seen ________ near the river.