题目内容
【题目】The college principal promised ________ the matter.
A. look into B. to look into
C. looking into D. looked into
【答案】B
【解析】
句意：那位大学校长答应要调查这件事。
promise to do sth许诺做某事，故用动词不定式to look into，故选B。
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题目内容
【题目】The college principal promised ________ the matter.
A. look into B. to look into
C. looking into D. looked into
【答案】B
【解析】
句意：那位大学校长答应要调查这件事。
promise to do sth许诺做某事，故用动词不定式to look into，故选B。