1.I saw him ____ bastetball with Jack an hour ago.

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1.I saw him ____ bastetball with Jack an hour ago.
答案是play,为什么不用playing?
2.We can't use the bridge now,because it ____.
being repaired,请问为什么不用is repaired?
3.Tom was said to ____ Lucy for 30 years.
答案是have been marrid to,请问为什么不用with?
4.Rubbish ____ away but collected and recycled into useful things.
a.will not now given b.is not now given c.doesn't now be given d.is now not given
5.Such plants ___ never ___ in this part of the world.
a.have;grown b.are;grown
请问第四题的解析能详细一点吗？

1.从动词saw和时间状语 an hour ago可看出是过去时态,讲的是过去发生的事,不是现在进行时.
2.从now可看出是现在进行时,我们现在不能过桥,因为它正在修整中.
3.Tom 据说已经和Lucy结婚30年了.现在完成时时态.with有“在一起”的意思是没错,但不表示延续状态,并且用在此处语法不合,with是介词,此处应填入表示现在完成时的动词
4.b 垃圾不能主动丢,是被丢,并且从选项中可看出是现在时.翻译：垃圾现在不丢,收集回收变成有用的东西.
5.b 个人以为b不是最好的答案应该是have；been grown

1.I saw him ____ bastetball with Jack an hour ago. I saw him ___ basketball with Jack an hour ago I saw him ( ) baskeball with Jack an hour ago怎么选 A plays B t I saw him ____(play) football with Tom an hour ago. 英语选择,填空（）1.l saw him ＿＿＿basketball with Jack an hour ago.A.t I saw him leave the office an hour ago.He ____ at this time. i found him make his bed an hour ago. I saw him into the bedroom one hour ago a.go b.going c.to go “I saw a dead dog here an hour ago" The girl said 改为间接引语 1.I saw him _________(play)basketball ten minutes ago. tom ____(play)football an hour ago I saw him standing at the bus stop,_____for the bus an hour