Grammar qestion - check pls

Hello,
Please look at these sentences and check if they are correct. The words in brackets should be used in correct form. THX in advance

1. I cannot see anything.
If only I (wear) ......... my glasses now.
My version: If only I wore my glasses now.

2. When will they announce the results?
They (not / announce) ......... them until they (mark) ......... all the papers.
My version: They won't announce them until they mark all the papers.

3. The wreather was cold. They enjoyed the picnic.
Despite .........
Although .........
Cold .........
In spite of .........
My versions:
Despite the weather was cold, they enjoyed the picnic.
Although the weather was cold, they enjoyed the picnic.
Cold as the weather was, they enjoyed the picnic.
In spite of the cold weather, they enjoyed the picnic.

4. The Parkers still owe us 5000 pounds. (pay)
It's time .........
My version: It's time The Parkers paid us 5000 pounds.

5. The police ordered him to tell them what had happened. (made)
The police ......... what had happened.
My version: The police made him tell them what had happened.

6. People say that a dragon lived in the WH cave.
A dragon .........
It is .........
My versions:
A dragon is said to have lived in the WH cave.
It is said that a dragon lived in the WH cave.

7. ‘You had better close all the windows', my wife told me. (leave)
My wife ...
My version: My wife told me that I should't leave the windows opened.

8. They are holding the caretaker responsible for the problems.
The caretaker ......... for the problems.
My version: The caretaker is being held responsible for the problems.