I had a hard time finding my birth certificate.

Please remember to bring your travel documents.

May I show you my proof of qualification?

He was researching old records at the public records office.

I bought a new reference book for my math exam.

He was playing by swinging the tree branch.

My grandfather is good at repairing old pendulum clocks.

The owl is hooting in the night forest.

He was solving the exam questions without looking away.

My friend works as a real estate agent.