The teacher asked the students ________.
A.what they were doing at that moment
B.what were they doing at that moment
C.how are they doing at that moment
D.what they are doing at that moment
A

試題分析:英語賓語從句中一般為陳述語序。根據(jù)從句中的時(shí)間狀語at that moment那時(shí),可知從句描述的是過去某時(shí)發(fā)生的動(dòng)作,故用一般過去時(shí)態(tài)。故選A。
點(diǎn)評(píng):賓語從句中一般為陳述語序,需注意當(dāng)疑問詞做從句主語時(shí),則貌似倒裝句,需注意區(qū)分。關(guān)于引導(dǎo)詞的區(qū)分需結(jié)合引導(dǎo)詞的基本含義及其在句子中所承擔(dān)的句子成分進(jìn)行具體分析。賓語從句的時(shí)態(tài)和主句沒有必然的聯(lián)系,需結(jié)合語境具體分析。
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