4.Sally,a shy girl,never speaks in public _______ she is asked to,never!( 。
A.untilB.unlessC.even thoughD.as though

分析 sally 是個害羞的女孩,她從不當(dāng)眾發(fā)言.除非她被要求回答問題.

解答 答案:B.根據(jù)選項(xiàng)until直到; unless除非,even though即使,as though似乎,好像,再結(jié)合句意,sally 是個害羞的女孩,她從不當(dāng)眾發(fā)言.除非她被要求回答問題,可知此處缺少了一個引導(dǎo)讓步狀語從句的連接詞,故選B.

點(diǎn)評 故本題考查讓步狀語從句的連接詞,在充分分析句型再結(jié)合語義的基礎(chǔ)上便能選出正確答案,同時(shí)要注意其他選項(xiàng)的意思,

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