单选题
Mum wants to tell her boys ______.
A、
how difficult it is to raise them
B、
how difficult is it to raise them
C、
how difficult to raise them
D、
how difficult is to raise them
【正确答案】
A
【答案解析】
[名师精解] 作为用how引导的宾语补语从句，其结构应为“how+形容词+主语+谓语+其他成分”。 [解题秘籍] 注意：how+形容词后一定要加主语和谓语。
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