求大神帮忙翻译几个句子

All students are required to attend the meeting。
Many middle schools did not approve of students wearing jeans in the school.(approve)
Selectiing a good mobile phone may not like you imagine so easy. (select)
According to reports, an experienced scientist will be in charge of the project. (incharge of)
What is your last week's book borrowed from the library? (title)
You regret to spend $five hundred to buy a necklace?

All students are required to attend the meeting.
Many middle schools did not approve of students wearing jeans in the school.
Choose a good mobile phone may not like you imagine so easy.
According to reports, an experienced scientist will be in charge of the project.
What is your last week's book borrowed from the library?
You regret spending $five hundred to buy a necklace?