The "apartment " building has "a" unique system "of" removing "garbage". "No Error"

The treasures "of" the ancient world "they" never "cease" to "amaze" us. "No Error"

Select the best word and completes the sentence. Only through diplomatic means can a formal agreement be-----

A great deal of thought has ------ into the designing of a concert hall.

Noise pollution generally receives less attention than------ air pollution.

The report recommended ------ colleges should prize good teaching as well as good research.

Scientists have speculated that the destruction of Earth's ozone layer would--------- us to damaging ultraviol...