1.The missing boy was last seen ____ near the river.A.playin

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1.The missing boy was last seen ____ near the river.A.playing B.to be playing C.play D.to pl
1.The missing boy was last seen __A__ near the river.
A.playing B.to be playing C.play D.to play
不是“被看见”吗?为什么不选B?
8.You can’t have the horse ___C__ all the way.It’s too hot.
A.run B.to run C.running D.to be running
让马去跑意思是让某人做某事不是用have sb do么为什么不选A

1.考点:see sb.doing sth.看见某人正在做某事
变成被动语态后,就成了:sb.be seen doing sth.
不能用sb.be seen to be doing 哟!
因此此题选A不选B.
8.注意这两者的区别:
have sb.do sth.让某人做某事.(某人做了某事,强调动作已结束)
have sb.doing sth.让某人一直做某事.(强调动作的延续性,动作还未结束)
此句的意思是:不要让马一直跑,天气太热了.
由句意可知,这儿是强调动作的延续性,因此应选C而不是A.

1.The missing boy was last seen ____ near the river.A.playin The missing boy was last seen ____ near the river. The missing boy was last seen ___ near the river. 2道单选题The missing boy was last seen ___ near the river.A.play The missing boy were last seen ________ near the river. The missing boy were last seen near the river The missing boy was last seen __________ by the river. The ____ (miss)boy was last seen ____ (play)near the river . The ___boy was last seen near the river A missing; playing B The missing boy was last seen ____near the river.A playing B The missing boys were last seen ____ near the river.(NMET94 The missing boys were last seen _____________ near the river