题目内容
【题目】I know ____ I promised to take you to dinner, but I won't finish working until ten o'clock.
A. if B. that C. what D. why
【答案】B
【解析】句意:我知道我答应过要带你去吃饭,但直到十点钟我才会完成工作。考查宾语从句引导词。A. if是否的意思,常引导一般疑问句作宾语的宾语从句;例如,Do you have breakfast?如果用宾语从句表达可说:I wonder if you have breakfast. B. that无任何意义,引导是陈述句的宾语从句,常省略; C. what引导what开头的特殊疑问句的宾语从句,从句需用陈述语序;例如,What are you doing? ---He asks what you are doing. D. why引导why开头的特殊疑问句的宾语从句,从句需用陈述语序;结合句意和语境可知选B。
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