Winward Apostrophes Assessment

During high school, I passed calculus only because I had my ___________ help.

• friends

• friend's

A _________ tail contains nearly 10% of all the bones in its body.

• cats

• cat's

_______ wings can beat 200 times per second!

• Hummingbirds

• Hummingbirds'

________ availability is rather tight.

• Todays

• Today's

I began monitoring my own sleep behavior and gathered eight ________ worth of data on my sleep and wake times.

• days

• days'

I particularly value my ________ passion for and love of learning.

• teachers

• teachers'

There is nothing I look forward to more than having dinner at my ________ house for Thanksgiving.

• grandparents

• grandparents'

I feel so bad that it's Saturday and I still haven't finished _______ chores.

• Thursdays

• Thursday's

He and Richard decided to place a friendly wager on the game's outcome. The bets terms stated that the loser would have to pay the winner $20.

• NO CHANGE

• bets' terms

• bets terms'

• bet's terms

All medical practices must take every precaution and measure necessary to meet the patient's needs.

• NO CHANGE

• needs' of the patients.

• patients' needs.

• patients needs.