because you have a lot of things to do,you should consider making a schedule .
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You are supposed to schedule your timetable because you got lots of business to do
You should make a timetable if you have more things to do
Since you have a lot of things to do, you should consider making a schedule.
Because you have a lot of things to do, you should consider to do a timetable.
you should make a list of time because you have lots of things to do
There are many things you have to do,so you should think about making a schedule