<p>Like her husband, Jackson Pollock, Lee Krasner was an Abstract Expressionist artist, and [her and Pollock influenced] each other's work. </p>
<p>b) she and Pollock influenced
d) the two of them both influenced</p>
<p>I chose D, sounded smoother.</p>
<p>The swiftest animal on Earth, the cheetah can reach a top speed of about 70 miles [per hour, it can] maintain that speed for no more than 300 yards. </p>
<p>b) hour but can
e) hour, however, it can </p>
<p>Chose E, I thought you needed a comma before a FANBOY ex. hour, but can</p>