题目内容
【题目】The reason __________ he explained was __________ he was ill and unable to go to school.
A. why ; that
B. why ; because
C. which ; because
D. which ; that
【答案】D
【解析】考查定语从句和表语从句。句意:他解释的原因是他病了,不能去上学。reason为先行词,explain为及物动词,关系代词在定语从句中作宾语;that引导表语从句。
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