There is no denying that...（不可否认的是）
There is no denying that social media has fundamentally changed the way we communicate with each other.
It is worth noting that...（值得注意的是）
It is worth noting that the internet has greatly facilitated the spread of information.
It is universally acknowledged that...（众所周知）
It is universally acknowledged that healthy living habits are essential for our well-being.
It is a well-established fact that...（众所周知的事实是）
It is a well-established fact that physical exercise can help prevent many chronic diseases.
Nowadays, it is common to hear that...（现在常常听到）
Nowadays, it is common to hear that online learning has become more popular than traditional classroom learning.
With the development of...（随着…的发展）
With the development of technology, people's daily life has become more convenient and efficient.
In recent years, there has been a growing concern about...（近年来越来越关注的是）
In recent years, there has been a growing concern about environmental protection and sustainable development.
In conclusion, using appropriate sentence openers can help improve writing skills and create more cohesive and impactful essays. So why not start practicing now and take your writing to the next level?