Answer:
must phone her
have to walk to school
must see a doctor
have to wait
I must get up (not sure on this one)
have to spent
Step-by-step explanation:
Have to mainly expresses general obligations, while must is used for specific obligations: I have to brush my teeth twice a day. I must tell you something. Important: To express obligation, duty or necessity in the future or the past, must and need are not used.