1.Different experiments can be made in twelve science labs(改为同意句）Twelve science labs are( ) ( ) different experiments(填provide for 可以吗）2.I found that your article encouraged me greatly.（同上)I ( ) your
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1. used for
be used for... 用于...
provide for不行,必须用被动即(be) provided for...从句意来看也可以,“为...而提供”.
2. found, a, encouragement
此种变化采用名词短语a great encouragement做宾语补足语,found/find为感官动词,宾语是your article.
3. asas引导定语从句,即关系代词as代替先行词a man,在后面的定语从句中充当make friends with中with的宾语.
如果先行词前面被the same, such, so或as等修饰时,定语从句的关系代词一般使用as；
注意：此处不能用that引导so...that...固定句型中的结果状语从句,因为此时状语从句中的with后面没有宾语him（状语从句是要求句子成分完整的）.