(1) See the book first la Sin Yi, do not shake shake only
(2) Hey, this one dissolved or not? Ai yah, I also do not know. Hey Pei Chi you two look for answer or what?
Thursday, May 08, 2008
Still in the lab
3A5 in the lab
Monday, May 05, 2008
Behavior of form 3 science students in lab
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