Past Simple vs Present Perfect

My family ________ to Uruguay two years ago.

• Has traveled
• Traveled
• Have traveled
• Has been traveling

Is this sentence correct or incorrect?
I have finished my homework yet.

• Correct
• Incorrect

Pilar ______ twenty pages of text since yesterday.

• wrote
• has been writing
• has written
• has wrote

Scientists ________ to develop renewable energy sources in the year 1995.

• have started
• have been starting
• started
• have starting

I'm sorry, you can't enter. The museum has _____ closed for the day.

• Ever
• Just
• Yet
• Never

Last night my dog _____ but after a few hours we _____ him.

• Escaped, Have found
• Has Escaped, Have found
• Escaped, Found
• Has escaped, Found

A: Is Jackie your friend?
B: Yes, I ____ her for years.

• Have been knowing
• Knew
• Know
• Have known

......... Mark ............ his hair yet? (cut)

• Did, cut
• Have, cutted
• Has, cut

...  you ...  London?  (ever/visit)

• Have you ever visited London?
• Has you ever visited London?
• Did you ever visit London?
• Did you ever visited London?

Susan and Jane ....  at home last Monday. (not/be)

• isin't
• wasn't
• weren't
• haven't been