Correct the following sentence:-
1. Have your taken admission.
2. Please speak to the concerned authority.
3. Are you a member in the committee?
4. Please do the needful and oblige.
5. Mohan insisted to go there.
6. You have no excuse to be late.
7. This is somewhat true.
8. Summon could not be issued.
9. No less than fifty soldiers were injured in the blast.
10. The train left at 3 O' clock.