The only vehicle that didn’t hit an obstacle in the trial runs is ________________.

A．Her professor did not like her story.
B．She did not like the topic she had chosen for her paper.
C．She had trouble finishing her assignment.
D．She was taking ten many courses.

A．Memories of a recent storm.
B．Weather patterns that can affect Florida.
C．How strong winds develop into a hurricane.
D．Planning a summer vacation.