一道英语选择题
听我说````
learn是一个动词,动词后面应该跟宾语,宾语可以是名词或者是相当于名词的名词性从句,而what =sth that 因此what they need =sth that they need to know,sth that they need to know 是一个以sth为先行词的定语从句,sth是know 的宾语,这样一来便语法上通了
如果选they are needed 就成了被动语态了,意思显然不对,不能说 他们被需要```如果想表达他们需要sth,也应该是they need sth 不能是they are needed sth,况且need是及物动词,后面得跟...全部
听我说````
learn是一个动词,动词后面应该跟宾语,宾语可以是名词或者是相当于名词的名词性从句,而what =sth that 因此what they need =sth that they need to know,sth that they need to know 是一个以sth为先行词的定语从句,sth是know 的宾语,这样一来便语法上通了
如果选they are needed 就成了被动语态了,意思显然不对,不能说 他们被需要```如果想表达他们需要sth,也应该是they need sth 不能是they are needed sth,况且need是及物动词,后面得跟sth。
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