—Would you like some milk or coffee, sir?
—       . Just a glass of water, please.

       knowledge and experience are important to finish that task.

—Which of the two magazines will you take?
—I’ll take       though I find        of them are very useful to me.

—Sir,      called you just now. I told him to phone again 20 minutes later.
—OK. Thanks, Nancy.

—Excuse me. I want to buy some stamps. Where can I find a post office?
—I know        not far from here. You can easily find       .

There are many trees on        side of the road. They were planted by us last year.

—Which sweater would you like, madam?
—They look nice. I’ll take       . One for my mother, and one for my father.

—Do you have enough men to carry these chairs?
—No. I think we need        men.

—Do you have enough students to clean the laboratory?
—No, I think we need              students.

It’s difficult for me to decide which one to choose, because      of them are good.