Father made a promise I passed the examination he would buy me a new dictionary.
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Father made a promise ________ I passed the examination he would buy mea new dictionary.
A. that
B. if
C. whether
D. that if
试题答案
答案：D
解析：| that引导同位语从句。在同位语从句中又还夹有一个if引导的条件状语从句。
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