A．Two years.B．Half a year.C．One and a half years.D．One year. A: Two years. B: Half a year. C: One and a half years. D: One year.

We’ll leave our school in________. A: two year and a half B: two years and a half C: two and half a years D: two and half a year

We spent two years and a half ________ that factory.

Eugene Volokh plans to graduate from UCLA in______. A: 1 or 2 years B: 2 and a half years C: 3 or 4 years

When was the apartment redecorated（） A: 20 years ago. B: 10 years ago. C: A year ago. D: Half a year ago.

Realism began in the last half of 19th century and ended in the early years of the 20th century.

We spent two years and a half ________ that factory. A: built B: building C: to build D: build

It took two years and a half . A: completing the project B: to complete the project C: complete the project D: to be completed the project

When do psychologists believe that humans begin to experience empathy A: When they are two and a half years old. B: From the day they are born.

In the mass extinction 65 million years ago, ______ of all species on earth vanished. A: two thirds B: half C: 90% D: 30%