根据句意及首字母提示补全单词。 1.There is an u_______ parking lot near the building, so you can’t park on the ground. 2.Many foreigners visit the Summer P_______ in Beijing every year. 3.Mrs. Green is rich with lots of t_______, but she doesn’t feel happy. 4.Some students like a_______ history, but some like modern history. 5.When it snowed, people used dogs to p_______ carts(货运车) in this village.