Вставьте в пропуск подходящий вспомогательный глагол: is/are/was/were/will be

1. There ________ a beautiful sunset last night.
2. There ________ several reasons why I can't attend the meeting.
3. There ________ no point in arguing; it's already decided.
4. There ________ a new exhibit opening at the museum next month
5. There ________ always a risk involved in any investment.
6. There ________ a few things I need to tell you before you leave.

7. There ________ many people at the concert last month.