根据首字母写出正确的单词形式.
1. Edward d_______ himself to scientific research after graduating from university.
2. Most of the Americans v_____ for Obama to be president.
3. The design of the product must be r______ to people’s needs.
4. The fire started in the middle of the night, so most of the people were t_____ in the burning building.
5. The thief used a false i_____ to take money from the bank.
