Do you _________ or serve in an organization or are you a member of some group?

(2013·高考新课标全国卷Ⅱ)The watch was very good，and he ________ 20 percent down for it.

—In early autumn Steve applied for admission to college.He wanted to go ________ but to Cornell University.—Oh, why not Harvard?

 —Will you read me a story，Mummy?—OK.You ________ have one if you go to bed as soon as possible.(2011·陕西)

-- Peter, this is Laura, a student from No. 2 Middle School. -- How do you do? I’m very delighted to make your _______.