Complete the text with suitable prepositions.
The ceremony began (a) ______ 10 a.m. Our principal Mr. Rahman presided (b) ______ the function and Member of Parliament Mr. Reza was the chief guest. The function started (c) ______ the recitation from the holy Quran. One (d) ______ our senior teachers read (e) ______ the annual report. The honorable chief guest delivered a brief but inspiring speech (f) ______ education. He advised the students to be regular (g) ______ the class and attentive (h) ______ studies and take part (i) ______ the movement (j) ______ illiteracy.