17．What a beautiful picture!
It's years ______ I painted a picture as beautiful as this one．（　�。�
A．thatB．sinceC．whenD．before

分析 "真漂亮的一幅畫！"
"我好長時間沒有畫過像這一幅一樣漂亮的畫了．"

解答 答案：B，根據(jù)句型：it is\has been+段時間+since…，自從…多長時間了．再結合句意，我好長時間沒有畫過像這一幅一樣漂亮的畫了，故選B

點評 本題考查時間狀語從句的連接詞，在充分分析句型再結合語義的基礎上便能選出正確答案，同時要注意其他選項的意思，

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