【推荐1】Jinmao Building is the ________ tallest building in China. (three)

【推荐2】They have a school trip on the t________ (第三) day of January.

【推荐3】My ________ brother is only three. (three)

【推荐1】He was the t________ in the competition. There are nineteen people in front of him.

【推荐2】I like the ________ (forty-four) card. What about you?

【推荐3】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。每空格限填一词
1. Finally, Sam made a ______ to give up smoking. (decide)
2. Peter realized the ______ as soon as he entered the cave. (dangerous)
3. Sandy's ______ birthday falls on June 2^nd next month. (twenty)
4. Let's check on his ______. (calculate)
5. It is important for children to learn to express themselves ______. (clear)
6. He was a famous ______ in the world. (think)
7. It is ______ for him to clean his room because he is really lazy. (usual)
8. Reading in the sun does ______ to our eyes. (harmful)