Use "must" or "needn39;t" 1. Must I tell the truth? -

Use quot;mustquot; or quot;needn39;tquot; 1. Must I tell the truth? - ... , it39;s important. 2. Must I go shopping? - ..., we have a lot of food. 3. Must I do this work now? - ..., you can do it later. 4. Must I type these papers today? - ..., I need them today. 5. Must I take the dog out for a walk - ..., I39;m busy now. 6. Must I come on Saturdays? - ..., it39;s your day off