5．Has it ever occurred to you ______ you would become a dentist one day？（　�。�
A．thatB．whatC．whichD．when

分析 你有沒有想到過有一天當(dāng)醫(yī)生？

解答 答案：A
本題考查的是連詞用法．that連接代詞；what什么；which哪一個(gè)；when何時(shí)．題干中，that連接從句作真實(shí)主語，that引導(dǎo)主語從句時(shí)不充當(dāng)成分，不可以省略，不含有詞意．故選A．

點(diǎn)評(píng) 復(fù)合句中連詞的用法比較靈活，在解題時(shí)要注意區(qū)分從句類型，連接詞在不同從句中的用法是有區(qū)別的．

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