The engineer tried ...... (explain) his actions but his supervisor did not listen to him at all.

Some of the staff refuse ...... (leave) their work place as they don't want to retire.

At lunch, Ms Tennant bothered us by ...... (smoke) that nasty pipe of hers.

Before ...... (go) back to work, the technician checked all the wiring.

After ...... (spend) three hours in a police cell, Dr Goonmon was happy to be free again.

Most people wish ...... (earn) more money.

David annoyed me by ...... (claim) that he was the only one who was involved in the final phase of the project.

The detective decided ...... (disguise) himself so that he could observe the house without being considered a policeman.

I remember ...... (sell) the stamp vividly, but I can't recall the very date.

Do you still remember ...... (catch) your first criminal, Captain Barkles?