Kukonza tsiku ndi tsiku, mlungu uliwonse, mwezi uliwonse, ndi kotala kotala kumathandiza kuonetsetsa kuti chipindacho chikuyenda bwino, mosasamala kanthu za msinkhu wa chipinda choyera. Mwachitsanzo, mpweya wabwino m'chipinda choyera cha Class 10 uyenera kuyendetsedwa mokwanira kwa mphindi 30 ...
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