正選A
b中how to do ,do沒有賓語 how 不能做賓語
c中 what to do it ,do的賓語重復(fù) it 和what
d中 how to do it ,怎樣做這件事 語義不通
重點(diǎn) do 是及物動(dòng)詞
When the boy couldn't find his mother,he didn't know
When the boy couldn't find his mother,he didn't know
A．what to do B．how to do C．what to do it D．how to do it 要有解析
A．what to do B．how to do C．what to do it D．how to do it 要有解析
英語人氣：482 ℃時(shí)間：2019-10-17 02:51:29
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