Put "can”, ”may", "must", "should", "ought to", "have to", "be to", "be able to” (or the negative forms) and "needn't" in the spaces.
1."Oh, Nurse, ..I stay here?" "Stay here? Of course, you...".2. A man ...help his parents when they become old. 3. There are no buses or taxis, so we ...walk. 4. No, Moira you ...have another potato. You've had two already. 5. We ...live without food and water. We ...eat and drink. 6. I ...get too early tomorrow, so I ...go to bed late tonight. 7. You ...not walk all the way to the station. You take a bus round the corner. 8. Tom's father told him that he ...ask silly questions. 9. You switch off the light if you are afraid of the dark. 10. The matter ...be discussed in tomorrow's debate.