...the only person in his office( )was invited A that B whose C...
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共5个回答
热心网友
选A，主语He是人，用that或who，因为前面有the only，所以选that，选A。
热心网友
A. was the only person 见到only 用that
热心网友
A
the only 后面一般加that
而且在定语从句中作主语不能用B、C
热心网友
选A，因为前边有 the only，只能用that
热心网友
A必须的
