在你在我心中植入怀疑之前，我一直很自信。

I was confident till you ___planted doubts in my mind.

当社会试图植入'共同生活'的想法时，同时应考虑这个问题的短期解决方案。

While a society is trying to ___plant the idea of 'living together', at the same time, the short-term resolution for this problem should be considered.

侦探在证人的心中植入了怀疑的种子。

The detective ___planted a seed of suspicion in the witness's mind.