【推荐1】If you u________ to do something, you promise that you will do it.

【推荐2】Daniel has u___to keep the secret， so he won't tell anyone even though asked to. （根据首字母填空）

【推荐3】Fortunately, the government has u________ (着手做，从事) the preservation of many of the oldest hutongs since the People’s Republic of China was founded. (根据中英文提示填空)

【推荐1】Her position in the party has_________(增强) in recent weeks. (根据汉语提示单词拼写)

【推荐2】Our company has a________ (采纳) the most advanced techniques to increase the production.

【推荐3】The hotel has u________ special facilities for welcoming disabled people. (根据首字母单词拼写)