连词成句 1.good is she at singing 2.is what your book favourite 3.student there three are classroom

1 She is good at singing.她擅长于唱歌
2 What is your favourite book 你最喜欢的书是什么?
3 There are three students in the classroom 教室里有三个学生.连词成句：1.many how are people there2.zoo let’s to go the 3.mywhere bookis1 How many people are there ?有多少人？ 2 Let's go to the zoo.让我们去动物园吧！ 3 Where is my book ?我的书在哪？