Sometimes it（)over half the total time spent on a research problem.？

It took him half an hour to finish the work.（英译中)

Over the past four years, more than half of students in the high school caught receiving t

Questionsare based on the following passage．In London， over half of the homes built betwee

New Zealand is sometimes called the worlds biggest farm. It is the worlds largest exporter

By the time she is 50 years old she ______ an inmate of the prison for over half of her l

By the time she is 50 years old she ______ an inmate of the prison for over half of _____