We should learn more than 4 days, we will not study too hard. Replace the class schedule will be tight in 4 days, we added another day to extend the timetable is not too tight and hard to learn.
We should learn more than four days. We will not study too hard. Replace the schedule is tight in four days. We added another day Scheduled to enlarge Not too tight and study hard.
That we should learn more 4 days. We will not learn too heavy. Instead, the schedule is tight in 4 days, we added another day to expand from tight schedule and learn too heavy.