{01} I was reading attentively in my own room ________ suddenly he knocked at the door.
A.when
B.while
C.then
D.as
解析:词义辨析。When表示当……时候;while和as表示两个动作同时发生;then的意思是那时;然后。句意:当他突然敲门时,我这在自己的房间里认真的读书。动作有先后,故选A。 本题选A。 {02} It was after careful consideration ________we decided to take action.
A.which
B.that
C.why
D.when
解析:本题考查强调结构。强调句结构:it is/was + 强调部分 + that,本题强调状语after careful consideration,故选B。 本题选B。 {03}She often helps the students _____ she thinks are not good at English.
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