They waited and waited for something _________ to happen.A. excite B. excited C. exciting D. to excite
They waited and waited for something _________ to happen.
A. excite B. excited C. exciting D. to excite
相关考题：
7． The children were ________ when they heard the________ news．A．excited; excitingB．exciting; excitedC．excited; excitedD．exciting; exciting
Afterposingthedifficultquestion,theteacher_____andlookedexpectantlyatus. A.hesitatedB.pausedC.stoopedD.waited
They are all _________ at the _______ news.A、exciting; excitedB、excited; excitingC、 exciting; excitingD、excited; excited
常用的英文搜索引擎网站是（ ）。A.Yahoo、Baidu、HotBot、AltavistaB.Foldoc、Blackwellejn、Sina、GoogleC.Google、Sina、ExciteD.Altavista、Excite、Hotbot、Yahoo
共用题干Look on the Bright SideDo you ever wish you were more optimistic,someone who always________(51)to be successful? Having someone around__________(52)always fears the worst isn't really a lot of________(53).We all know someone who sees a single cloud on a sunny day and says,"It looks__________(54)rain."But if you catch yourself thinking such things,it's important to do something_________(55)it.You can change your_________(56)of life,according to psychologists.It only takes a little effort, and you'll find life more rewarding as a_________(57).Optimism,they say,is partly about self-respectand confidence but it's also a more positive way of ______(58)at life and all it has to offer. Optimists are more__________(59)to start new projects and are generally more prepared to take risks.Upbringing is obviously very important in________(60)your attitude to the world.Some people are brought up to_________(61)too much on others and grow up forever blaming other people when anything _________(62)wrong. Most optimists,on the_______(63)hand,have been brought up not to _________ (64)failure as the end of the world一they just___________(65)on with their lives._________(51)A:failedB:feltC:expectedD:waited
当下面的哪个定时器超时的时候，发方TCP实体会发出一个叫probe的特殊数据段？A．重传（retransmission）B．持续（persistence）C．保活（keepalive）D．时间等待（time-waited）
下面哪个定时器追踪数据段发送和确认的接收之间的时间？A．重传（retransmission）B．持续（persistence）C．保活（keepalive）D．时间等待（time-waited）
为了防止两个TCP实体之间的连接长时间空闲，启用了下面哪种定时器？A．重传（retransmission）B．持续（persistence）C．保活（keepalive）D．时间等待（time-waited）