HELP FOR MY ENGLISH TEST C1 thanks. 1 Ken apologised for the office document.

1 having been lost
2 having lost
3 being lost
4 lose

2 There is no point over your mistake. It won't change anything.
O to cry
O in crying
O to have cried
O to be crying

3 Tim's mum made him his messy bedroom.
1 tidy
2 tidying
3 to tidy
4 to have tidied

4 Jeff went to bed late and is too sleepy properly
1 to function
2 functioning
3 to have functioned
4 to be functioning

5. You Mark at work. He's gone on holiday.
1 can't have seen
2 needn't have seen
3 might not have seen
4 mustn't have seen

6 my leg is healed and I a cast anymore.
1. mustn't wear
2 shouldn't wear
3 don't have to wear
4 can't wear

7Only the manager enter the building without a pass. No one else.
1 is sure to
2 is bound to
3 is allowed to
4 is supposed to

8 Tom suddenly left the office without anyone
1 to inform
2 to have informed
3 to be informing
4 informing ​