他反复打电话，恳求她回来。

He telephoned ___repeatedly, begging her to return.

欧盟反复强调了语言学习的重要性。

The European Union has ___repeatedly stressed the importance of language learning.

为了记住新词汇，你应该反复使用这些单词。

To remember new vocabulary, you should use the words ___repeatedly.