A. | don't know | B. | know | C. | knew | D. | didn't know |
分析 莉莉病了在醫(yī)院,真的?我不知道她病了.
解答 答案:D.結(jié)合really?可知不知道莉莉病了,故用否定句,結(jié)合句意表達(dá)的是過去的事情故用一般過去時(shí),故借助于did構(gòu)成否定,故答案是D.
點(diǎn)評 簡單句中含有系動(dòng)詞be、情態(tài)動(dòng)詞和助動(dòng)詞時(shí),變否定句時(shí)需在系動(dòng)詞be、情態(tài)動(dòng)詞和助動(dòng)詞后加not.如:I am a teacher.→I am not a teacher.
He can help me.→?He can't help me.
簡單句中謂語動(dòng)詞為行為動(dòng)詞時(shí),要根據(jù)時(shí)態(tài)選用do的相應(yīng)形式,把肯定句變?yōu)榉穸ň洌纾?br />The little girl wants to go there.?→The little girl doesn't want to go there.
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