题目内容
I didn’t know __________________.
A.how many times he has been to his favourite place of interest |
B.why did he go to France |
C.What’s the matter with the Ipad bought yesterday |
D.who to ask for help when in trouble |
D
试题分析:宾语从句的结构:主语+谓语+连接词+从句。从句在句中作宾语。从句要用陈述句的语序。如果主句是一般现在时,从句根据需要选择时态,如果主句是过去时态,从句要用相应的过去时态。但是从句是客观真理,一般用一般现在时态。该句的主句是过去时态,故排除AC,B语序不正确。故选D。
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