Choose the correct options

Choose the correct forms of the verbs, past or present.

1. I
   [have to|had to]
   go to school at 8:00 every morning.
2. He
   [can|could]
   visit this excursion last year.
3. She
   [can|was able to]
   read this book last summer.
4. I
   [don't need|didn't need]
   to pass this exam last semester.
5. He
   [must|had to]
   listen to the teacher carefully. It is the rule.
6. They
   [had to|will have to]
   come to the class meeting tomorrow.