(1)People under the age of 18 __________ buying cigarettes and alcohol.
(2)The species that fail to ________ the changing climate conditions will gradually become extinct(灭绝的).
(3)They fear they will be unable to support themselves ___________ if they have children.
(4)By 2025, Millennials will be running things, _________ 75 percent of the available workforce.
(5)Not ___________ the table manners in this country, she made several mistakes when she first came here.
(6)The product was developed ___________ customer demand.
(7)The meeting __________ be held on Tuesday, but we had to put it off for some reason.
(8)I can’t afford a car, so I guess I’ll just have to ___________.
(9)I believe that there exists another planet with conditions __________ those on the earth.
(10)__________ a novel by D.H. Lawrence, the film is very popular among young people, especially college students.