Question

【题目】My dear friend, your attitude today has ________ important effects on your success tomorrow. Come on, please.

A. aB. anC. /

Answer 1

【答案】C

【解析】

句意“亲爱的朋友，你今天的态度对你明天的成功有影响。请加油”。have an effect on“对……有影响”。且根据effects可知，不填冠词，故选C。