—You haven’t returned my chemistry textbook yet. —I know, but I ________ it for five days.
—You haven’t returned my chemistry textbook yet.
—I know, but I ________ it for five days.
The milk terrible bad.
that many south-east Asian countries suffered a lot.
As there is less coal and oil, scientists are exploring new ways of making use of _____ energy, such as sunlight, wind, and water for power and fuel.
— Look! Someonethe laptop. — Well, it wasn’t me. I didn’t do it.
—Mum,can I go on a holiday with my classmates this summer vacation? —OK.Youhave a chance if you get along well with your studies.