题目内容
15．She saw some boysplaying （play） football when she passed the park．分析 当她路过公园时，她看见一些男孩子在踢足球．
解答 答案：playing
根据空格前的关键词see，及所给词play为动词，可知see sb do sth 强调"看见整个行动，或整个事件或行为的全过程．"see sb doing 强调"看见行动或事件正在进行"结合语境可知该句强调当她路过公园时，她看见一些男孩子正在踢足球，故填入play的现在分词playing在句中作宾补，故答案为playing
点评 本题考查用所给单词的适当形式填空，首先要根据语境明确句意，然后再根据相关语法对所给单词在形式上做出正确的变化．
练习册系列答案
相关题目
5．There ________ a football game next week．（ ）
| A． | is going to have | B． | is going to be | ||
| C． | will have | D． | will be have |
4．Is this factory _______ you visited the other day？（ ）
| A． | in which | B． | which | C． | where | D． | the one |
3．
Earth Hour started in Sydney on March 31st，2007．It calls on families and buildings to turn off the lights from 20：30to 21：30on the last Saturday night of March．In 2007more than 2.2million homes and businesses turned off their lights．（60）E And it was supported by 50million people from thirty-five countries．On March 28，2010over 2100cities in another eight countries took part in it．（61）B
In 2012in China，there were many cities taking part in this activity，especially some large
cities，such as Beijing，Shanghai…In those cities，many people turned off lights in the hour．（62）CIn colleges some students held some activities to make all the students leave their dormitories．
It was 20：30，Beijing time．In Beijing some people were taking a walk with their
families or friends．（63）DAnd in Ningbo some young people were holding a party in a park，
singing and dancing．The people from the three cities felt very relaxed．
Earth Hour has a variety of activities，but the final goal is the same．That is focusing on （聚焦） climate change and protecting the environment for individuals．
Earth Hour started in Sydney on March 31st，2007．It calls on families and buildings to turn off the lights from 20：30to 21：30on the last Saturday night of March．In 2007more than 2.2million homes and businesses turned off their lights．（60）E And it was supported by 50million people from thirty-five countries．On March 28，2010over 2100cities in another eight countries took part in it．（61）BIn 2012in China，there were many cities taking part in this activity，especially some large
cities，such as Beijing，Shanghai…In those cities，many people turned off lights in the hour．（62）CIn colleges some students held some activities to make all the students leave their dormitories．
It was 20：30，Beijing time．In Beijing some people were taking a walk with their
families or friends．（63）DAnd in Ningbo some young people were holding a party in a park，
singing and dancing．The people from the three cities felt very relaxed．
Earth Hour has a variety of activities，but the final goal is the same．That is focusing on （聚焦） climate change and protecting the environment for individuals．
| A．Many people would feel bored without lights． B．Earth Hour came to China on that day，too． C．And without lights，they could also enjoy themselves． D．In Shanghai some people were having a nice talk with their friends． E．A year later，on March 29，2008Earth Hour became a global activity． |