单选题John F. Kennedy was ______ youngest President of the United States and ______ to be murdered. Can you remember how long he ______ the country before his death?Athe; the fourth; had been rulingB/; fourth; have been rulingCthe; fourth; was rulingDa; the four; ruled
单选题
John F. Kennedy was ______ youngest President of the United States and ______ to be murdered. Can you remember how long he ______ the country before his death?
A
the; the fourth; had been ruling
B
/; fourth; have been ruling
C
the; fourth; was ruling
D
a; the four; ruled
参考解析
解析：
John F. Kennedy是美国历史上第四位年青的总统，也是第四位被暗杀的总统。你知道他死亡前执政了多长时间吗?最高级和序数词前都需要加定冠词修饰，统治这个国家为过去的过去，发生在Kennedy死亡之前，因此要用过去完成时或过去完成进行时，所以A项正确。
John F. Kennedy是美国历史上第四位年青的总统，也是第四位被暗杀的总统。你知道他死亡前执政了多长时间吗?最高级和序数词前都需要加定冠词修饰，统治这个国家为过去的过去，发生在Kennedy死亡之前，因此要用过去完成时或过去完成进行时，所以A项正确。
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