2．I had just finished my work ______ my friend came to visit me．（　�。�
A．whileB．whenC．asD．if

分析 我剛完成工作，這時(shí)我的朋友就來(lái)看我了．

解答 答案：B
A．然而，卻（表示對(duì)比）；當(dāng)…時(shí)候；B．當(dāng)…時(shí)候，這時(shí)（突然）； C．當(dāng)…時(shí)；D．如果；由于題干中使用了"had just done sth when…"這一結(jié)構(gòu)，意為："某人剛剛做了某事，這時(shí)"；分析句意可知，此處意為：這時(shí)；故選B

點(diǎn)評(píng) 本題考查從屬連詞when的用法；做本題時(shí)，首先應(yīng)熟練掌握各從屬連詞的用法及區(qū)別；其次根據(jù)要主從句之間的句意關(guān)系，從而選出相應(yīng)的連詞．

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