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My mother made a promise_______I passed the examination, she would buy me an MP4.

       A．that   B．that if       C．if that       D．whether

My mother made a promise       I passed the examination, she would buy me an MP4.

   A. that       B. that if       C. if that       D. whether

My mother made a promise _______I passed the examination, she would buy me an MP4.

       A．that   B．that if       C．if that       D．whether

My mother made a promise        I passed the examination, she would buy me an MP4．

A．that         B．that if          C．if that          D．whether

My mother made a promise ________ I passed the examination, she would buy me an MP4．

A．that         B．that if           C．if that          D．that whether

My mother made a promise_________I passed the examination，she would buy me an MP4.

  A.that    B．that if    C．if that    D．wherher