1.Where is Cambridge situated?
2.Who studied at Cambridge?
3.Whom did I have to phone yesterday?
4.What was prescribed to the patient a week ago?
5.Who comes to the lecture regularly?
6.What has a doctor to do while examining a patient?
7.What has already begun?
8.Where must I go?
9.Whom did I meet yesterday?
10.Under what condition could the doctors perform an operation?