They are ___ the same size. You can take ___ half of the bread.
We should consider the students' requestthe school library provide more books on popular science.
Professor Williams keeps telling his students that the future ______to the well-educated.
With the world changing fast, we have something new _______with all by ourselves every day.
—I’ve got to go now.—Must you ?I ______you could stay for dinner with us.
Peter was so excitedhe received an invitation from his friend to visit Chongqing.