Question

【題目】He wrote a letter ______ he explained what had happened in the accident.
A.what
B.which
C.where
D.how

Answer 1

【答案】C
【解析】句意：他寫了一封信，在信中他解釋了事故中發(fā)生的一切。a letter是先行詞，從句本身主(he )--謂(explains )--賓(what had happened in the accident)成分齊全，缺少的是地點狀語。可知使用關(guān)系副詞where.故選C。