每天练习口语能显著提高你的英语水平。

Practicing speaking daily ___improves your English significantly.

每天练习钢琴使她的演奏水平明显提高了。

Practicing piano daily ___improves her performance significantly.

通过定期练习，他的英语口语水平显著提高了。

His spoken English ___improves significantly with regular practice.