sentence: John prefers windup clocks to digital clocks because they don't need a battery. The
complete: windup clocks stop working slower.

sentence: Lindsey is flatter than Megan, which explains why
complete: Megan always buys a larger-sized bra when they shop together at the discount clothing store.

sentence: I'm not sure if there is a greater chance of tap or bottle water being bad for you, but I prefer the
complete:
tap because it comes from my home.