例子：he may go to the baseball game he might go to the basebal

例子：he may go to the baseball game he might go to the baseball game
he worked all day .he_________________ tried.
maybe she is at work.she_______________ at work.
he definitely know how to fix my bike.he_________________ how to fix it.
they are not sure if they will come.they_________________to class tomorrow.
they know my teacher for sure.they_____________my teacher.
为什么