Complete the sentences with have to/ has to/ had to

complete the sentences with have to/ has to/ had to
1. I don't have much time.  ........................  . (I/ hurry)
2, How is Paul enjoying his new job ?  ............... a lot? (he/ travel)
3. ''I'm afraid I can't stay long." "What time .... ?"(you/ go)
4. "The bus was late again." "How long .... ?" (you/ want)
5. There was nobody to help me. I .... everything by myself. (I/ do)