It's difficult rasing a family on a small income .It's difficult ____ ( rais ) a family on a small income . [ 答案:rasing ]为什么不是to rais?Unlike most fruit,the pear ___ ( ripen ) from the inside after it is picked.[ 答案:ripens ]能
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It's difficult rasing a family on a small income .It's difficult ____ ( rais ) a family on a small income . [ 答案:rasing ]为什么不是to rais?Unlike most fruit,the pear ___ ( ripen ) from the inside after it is picked.[ 答案:ripens ]能
It's difficult rasing a family on a small income .
It's difficult ____ ( rais ) a family on a small income . [ 答案:rasing ]为什么不是to rais?
Unlike most fruit,the pear ___ ( ripen ) from the inside after it is picked.[ 答案:ripens ]能不能是ripened?
He who ___ ( betray ) his country must be punished.[ 答案:betrays ]能不能是betrayed?
A computer ____ ( analyses ) the photographs sent by the satellite.[ 答案:analyses ]能不能是analysed?
It's difficult rasing a family on a small income .It's difficult ____ ( rais ) a family on a small income . [ 答案:rasing ]为什么不是to rais?Unlike most fruit,the pear ___ ( ripen ) from the inside after it is picked.[ 答案:ripens ]能
1) it's difficult (in) doing sth.所以第一空正确为 raising.
2) Unlike most fruit,the pear ripens from the inside out after it is picked.它和大多数水果不同的是,采摘下来后,由内向外熟.很明显,这个句子缺少谓语动词,pear是单数,谓语动词自然是单三式 ripens.
3) who引导定语从句,who又在定语从句中充当主语,且这一句显然是法律条文或某一规定,对人有约束力是一种存在的事实,一般现在时是最恰当的,根据提供的词,只能用 betrays.
4) A computer analyses the photographs sent by the satellite.电脑能分析卫星发送的照片.陈述事实,一般现在时,主语是单数,谓语动词单三式.
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1. to raise或raising都行,it作形式主语,非谓语做真正的主语。
2. 客观事实用一般现在时。
3. 也是说的一个常态,背叛祖国要受惩罚。
4. 电脑能分析卫星发送回来的照片,常态,用一般现在时。