Look forward to doing and doing还是Look forward to doing and do?

题目

Look forward to doing and doing还是Look forward to doing and do?
Look forward to doing 无争议,关键在于后面与And连用后使用to doing 还是do?

答案

要看是谓语并列,还是to的宾语并列
如果是谓语并列,即动词look和后面的do成并列关系,如果是to的宾语并列,即and左右的doing成并列关系.
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