Нужно выбрать самый классный смайлик

прмогите в економикй пожайлучта, у меня в профиле задания

1.I had bought that flat by last year.(presnt perfect)/I bought that flat last year.(past simple)
2.Mary had left her bag before she went to the cinema./Mary left her bag,and she went to the cinema.
3.My teacher had taken the test to us before the lesson was over./My teacher took the test to us,but the lesson wasn't over yet.
4.Had you been in Scotland by the end of last month?/Have you ever been in Scotland?
5.He had helped his mother before he passed his exams./He helped his mother,but then he passed his exams.

1) There isn't someone at the door. Is there someone at the door? 2) You don't left
something on the hall table. Do you left
something on the hall table?  3) He won't bring someone with
him. Will he bring someone with
him? 4) There isn't somebody in the next room. Is there somebody in the next room? 5) He hasn't something important to
say to you. Has he something important to
say to you? 6) There isn't something wrong with
this telephone. Is there something wrong with
this telephone? 7) She doesn't gave us something to eat. Does she gave us something to eat? 8) He doesn't spoke to somebody about it. Does he spoke to somebody about it?