1. Because to let them think what they need to do.

2. To avoid cheating.
Jawapan Paling Bijak!
Let them do their own work.they should know how to work on their project by themself.they need to have a view how to make it because if they dont know how to do it by themself,what will happen in the future?when they work,they also have to do their own project by themself not making anyone else to that for them.if they dont do it by themself,they will never learn their mistakes

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