Advent is the season to celebrate the period before Christmas.

What is the main clause of this sentence?

I feel that my lymph nodes are swollen.

Qingming Festival is a day to clean the ancestors' graves and show respect.

This text is organized using section signs.

It's hard to say, but I think you're wrong.

He always used to say, 'It's easy to say, but hard to do.'

He is good at expressing his feelings well.

I acted just as he said.

Needless to say, he passed the exam.