Answer:
1. He must have just triped or accidentally hit her.
2. I should go aplagize to my parents.
3. He may have changed scince i last saw him.
4. She might be in trouble.
5. I can't understand what the teacher is teaching.
6. He might flake on us again.
Explanation:
<span>This year on December 23, my parents, John, Cindy, and I are leaving for Arizona to visit my grandparents, Mr. and Mrs. H. Simpson. they live at
1655 North Lincoln Road in Phoenix, Arizona. On Christmas Eve, we will
attend the special service at the First Christian Church. Later, we will
return with my grandparents to open gifts. We will end the night by
continuing our tradition of reading the poem "A Visit from Saint
Nicholas." </span>