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315 Activities V
exact: like: không biết ~ ra sao
VNEN 
không biết ~ ra sao * ☊ 
not know what ~ is * ☊
[ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ biết ] : to know, know how to do (something) be aware of
[ ra ] : to go out, exit, give, issue, emit, leave