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15．-How impressive John's painting is!
-Actually，it was 2years after he retired _____ he started to learn drawing．（　　）

A．

before

B．

since

C．

until

D．

that

分析 --John的畫作多么令人欽佩！
--事實上，他退休兩年以后才開始學畫畫．

解答答案：D
解析：A：在…之前；B：自從…；由于；C：直到；D：與it is/was構成強調句型．根據橫線前面的it was及選項中的that可知，本題考查it is…that這一強調句型；該句型的特點是去掉it is…that之后句子的主體部分仍然完整．本題去掉it was…that之后即為：He started to learn drawing two years after he retired．"他退休兩年后開始學習畫畫"．句意仍然完整，故本題答案為D選項．

點評本題考查從屬連詞的辨析，做此類題目時一定要清楚各個選項的含義及用法；再結合句意及其它要求確定最終的答案．

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