The moment the staff opened the office, unidentified ........... ,.......... weapons entered and asked the cashier to hand over the keys to the vault.

The fake diesel factory was being ......... under the .......... of a dairy

The proposal has been ..........and will be sent to the cabinet for final ..........

If you ------------, I would have trained you.

Select the correct option to complete the given sentence :

If I had worked hard I ........

None of them attended the function, ....... (use proper question tag)