Before the conference, a new problem came up __________ could speak on behalf of our group.
The boy was criticized for forgetting __________ his textbooks to school.
Practice __________ English every day, and you will surely improve your spoken English.
—It is better for you to lose weight by taking exercise every morning. —I think your suggestion deserves __________.
—I'm sorry, but I didn't mean __________ out your secret. —But you know, letting out one's secret means __________ one's feelings.
Remember __________ the book when you have finished it.