Which sentence contains an incorrect possessive form?
a. there's not a dimes worth of difference between the two models.
b. in those days, $20.00 for a day's work was a good wage.
c. my family took a week's vacation to the mountains.
d. how can you buy a dollar's worth of gas?

What is the most significant effect of waverly's two names? a. they allow her to be able to tell whether an american or chinese friend is calling her name based on which one she uses. b. they allow her to switch her identities like a double agent when she switches names. c. they distinguish between her two cultures and cause her to feel conflicted at times between her american and chinese selves. d. they distinguish between her family name and her official government papers name.