根据句意和汉语注释，在标有题号的横线上写出单词的正确形式。
Xu Song, a 27-year –old young man , is_____________(认为) as a talented singer .
We are having a party to celebrate Betty’ s               （二十）birthday.
—Dad, perhaps you can buy an iPhone.
— What bad __________ (建议)it is! You know I only support Chinese products.
— Do you know the Chang’e -3 moon rover（登月车）Yutu landed on the moon_____________（成功）?
—Of course ! We are really proud of that!