21.The ________all demanded to see the manager at once.
A involving people B involved people
C people involving D people involved
22.—Do you think the Stars will beet the Bulls —Yes.They have better players, so I _______ them to win.A.hope B.prefer C.expect D.want
23. They _______ the train until it disappeared in the distance.A.saw B.watched C.noticed D.observed
24. She _______ his number in the phone book to make sure that she had got it right.A.looked up B.looked for C.picked out D.picked up
21.正确答案：D
例题解析：people involved意为相关的人，单个的过去分词作定语一般放于被修饰词后面，
22.正确答案：Cexpect期望.我期望他们赢.hope后面不能接动词不定式作宾补.want想,表示个人的欲望;prefer更喜欢,构成prefer to do sth.,prefer doing sth.to doing sth.,prefer to do sth.rather than do sth.等短语.
23.正确答案：Bwatch注视.他们注视着火车直到它消失在远方.
24.正确答案：Alook up查找,查寻;look for寻找; pick out挑出来;pick up拾起.她在电话簿是查找电话号码,要用looked up.
