Apostrophe to show contraction

They are good helpers.

• They're

• isnt't

• They'll

Which word is the CORRECT contraction for she will in the sentence below?

Angie says that she will look for sand dollars.

• shell

• sh'ill

• she'll

What change if any should be made to this sentence? 
I wonder if its their birthday today. 

• Change its to it's
• Change their to they're
• Change wonder to wunder
• Make no change

How do you make the contraction for was not?

• wasn't
• wasnnt
• wasnt'
• was'nt

What is the short form of 'it is' ?

• She's

• It's

• We're

• I'm

• Its'

Contraction of: They are.

What's the difference between a contraction and a possessive noun?

• Possessive nouns don't contain apostrophes;

  contractions do.

• Possessive nouns show ownership;

  contractions combine two words.

• Possessive nouns are nouns;

  contractions are adjectives.

What is the contraction for does not?

• doesn't

• dose'nt

• doesnt

I believe it's on the bed.

• Possessive

• Contraction

Choose the contraction for the words in green.
They are celebrating their hockey victory at Buffalo Wild Wings!

• They'are
• The'yre
• They're