1.The boy was seen_ on the sports ground.A to play B play C played D to playingThe hot weather (last)until the end of October.(所给词的适当形式填空)

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1.Theboywasseen_____onthesportsground.AtoplayBplayCplayedDtoplayingThehotweather____(last)untiltheen

1.The boy was seen_____ on the sports ground.A to play B play C played D to playingThe hot weather ____(last)until the end of October.(所给词的适当形式填空)
1.The boy was seen_____ on the sports ground.
A to play B play C played D to playing
The hot weather ____(last)until the end of October.(所给词的适当形式填空)

1.The boy was seen_____ on the sports ground.A to play B play C played D to playingThe hot weather ____(last)until the end of October.(所给词的适当形式填空)
1、
see sb.do
see感官动词,后面接了不定式,省略to
但用做被动语态的时候,要还原to
即：
The boy was seen to play on the sports ground
（=sb.saw the boy play on the sports ground)
选A
The hot weather lasts(last)until the end of October
last持续（延续性动词）所以直接动词+until（持续到十月底）

B be seen do sth
latest(这里的last是持续的意思）

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1. 答案：A.
把该句还原成主动句即：Somebody saw the boy ____ on the sports ground.
此题含有“感官动词saw + 宾语the boy + 宾语补足语play”结构。
考查宾语the boy和宾补动词play之间的关系为主动关系，答案只能是play或playing.
但是如果该句变成被动语态后，如果主动句答案为play，则被动句时须改成to play（即补上主动句中被省略的不定式符合to）；如果主动句答案为playing，则被动句时无需改变，还是playing.
所以答案只能是：to play 或 playing，最终选择A。
2. 此题答案可以是以下两种：
1）lasted 炎热的天气延续到了十月底。
此时是对过去发生情况的描述，比如说是去年的天气情况。
2）will last 炎热的天气将会延续到十月底。
此时是对将来情况的描述。
楼主可以自己根据上下文，进行判断选择。

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