(
D
) 19. I didn’t know
.
A.how many times he has been to his favourite place of interest
B.why did he go to France with his sister during last summer holiday
C.what the matter was with the smartphone I bought yesterday
D.who to ask for help when I ran into serious trouble in daily life
解析:
【分析】这道题考查宾语从句的用法,需掌握宾语从句的核心规则:陈述语序、时态呼应,以及疑问词+不定式作宾语的结构。解题时需逐一分析选项,排除不符合规则的选项,选出正确答案。
【解析】首先明确宾语从句的关键要求:①必须用陈述语序(主语+谓语);②时态需与主句呼应(主句为过去时态时,从句用过去相关时态);③疑问词+不定式短语可作宾语。
对各选项分析如下:
A选项:主句为一般过去时(didn't know),从句应使用过去范畴的时态,而该选项从句用现在完成时has been,时态不匹配,排除;
B选项:宾语从句需用陈述语序,该选项为疑问语序did he go,不符合要求,排除;
C选项:“what's the matter”作宾语从句时,what在从句中作主语,本身就是陈述语序,正确结构应为what was the matter,而该选项语序为what the matter was,错误,排除;
D选项:“疑问词who+不定式短语to ask for help”可在句中作宾语,结构正确,语义通顺,符合要求。
【答案】D
【知识点】宾语从句的语序、疑问词+不定式作宾语
【点评】本题是初中英语宾语从句的基础题型,主要考查宾语从句的核心规则,易错点在于C选项的语序判断,需牢记what作主语时的特殊陈述语序,整体难度适中,是学生应掌握的基础考点。
【难度系数】0.6