用所给词的适当形式填空，每空一词。
I think ____ (talk) to someone about this helps a lot.

本句中“…to someone about this helps a lot”作think的宾语，是一个宾语从句，一个从句是包含主谓的完整的句子，该宾语从句中主语为“…to someone about this”，为动词作主语，动词原形不能作主语，v-ing可以，所以应填talking。

略