Is this researsh center _______ the foreign guests visited last week?A which B that C the oneD where 我认为ABC都能选呀!1
Is this researsh center _______ the foreign guests visited last week?A which B that C the one
D where 我认为ABC都能选呀!1
A.Which
D
把句子还原成陈述句就是：This research centre is the one (that ) the foreign guests visited last week.
the one做定语从句的先行词，后面的that可以省略，因为先行词在从句中作宾语，可要可不要。如果选A或B的话，句子没有先行词。C的话，the foreign guests visited后就没有宾语了，where等关系副词引导定语从句时后面的从句是完整的句子。
还有一个相区别的句子：Is this the research centre that/which the foreign guests visited last week ? 同理，我们可以吧它还原成陈述句就是：This is the research centre that/which/省略 the foreign guests visited last week.此句中有先行词the reasearch centre,所以用关系代词“that/which/不填”都可以的。
根据句子 首先排除C 因为这个是从句,C 不能做引导词··
其次the foreign guests【主语】 visited【谓语】+地点【where是做状语的】 last week 这个句子,不缺主语和宾语,而which和that指能做主语和宾语,因此排除
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A