Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子）
【小题1】I’m not ________ to see so many people visit Shanghai every year. ( surprise)
【小题2】Shanghai is nice enough to attract thousands of ________ to shop and have fun. (tour)
【小题3】Next weekend, we’ll celebrate Sam’s ________ birthday at the Garden Hotel. ( twenty)
【小题4】The Luck Fairy wished the farmer and his wife ________ forever. (happy)
【小题5】He sat ________ on the steps and said nothing after he heard the bad news. (sad)
【小题6】There’s a ________ room here, sir, with a mirror inside. (change)