Exercise with using articles in English

Instructions for the whole exercise: Use the correct article "a, an, the". If no article is necessary, write x (not capitalized).
She lived in (a)   Asia for many years.

He hiked in (a)   Rocky Mountains yesterday.

My friend lives on (a)   Main Street

(a)   rich should help people who are living in poverty.

I studied at (a)   Pomona College, in California.

Have you ever been to (a)   Egyptian Museum?

Could you please pass me (a)   remote control?

Yesterday we walked through (a)   Central Park.

(a)   Pacific Ocean separates Hawaii from the Mainland.

He told (a)   funniest joke.