In crowded places like airports and railway stations, you _____ take care of your luggage. [ ]

Have the police broken the case?— Yes, five men, including a pair of twins, have admitted robbery at the store, but _______ murder. [ ]

________ May as planned at first, the Smiths decided to set out to Hainan at the end of April

下列句子中，语义明确没有语病的一项是（ ）

When and where ____ you born —I ____born in Shanghai ____ September 1, 1990.