HSK 1
Xuéxiào kāi le yī cì dàhuì.
The school held a general assembly.
HSK 3
Liánhéguó dàhuì měinián jǔxíng yī cì.
The UN General Assembly is held once a year.
HSK 5
Yùndònghuì kāimù dàhuì fēicháng rènao.
The opening ceremony of the sports meet was very lively.