diploma in teaching singapore

If I say I want to get to the Diploma in teaching Singapore, I’m going to do much work, I said I really want to see how I can learn something like this, because I think I are so big, if I go to take my chance to the end, then what should I do, I will not have so much hesitation, I feel that since I chose to get Diploma in teaching Singapore, so I will spend all my time to do this thing, so I don’t have other concerns, I think you have to do one thing, then you must cut your retreat.