happen|happened|happens
学校里每天都会发生很多有趣的事情。
Many interesting things ___happen at school every day.
我不知道接下来会发生什么。
I don't know what will ___happen next.
你生日那天发生了什么特别的事吗?
Did anything special ___happen on your birthday?
你听说昨晚我们发生了什么吗?
Did you hear what ___happened to us last night?
如果我们买不到足够的票会怎么样?
What ___happens if we can't get enough tickets?
我们经常谈论白天发生在我们身上的事情。
We often talk about what ___happened to us during the day.