
Ms. Su (stands in the center) and her colleagues enjoy two hours and half seminar on lerning to operate ATT System in language laboratory.

Ms. Su (stands in the center) and her colleagues enjoy two hours and half seminar on lerning to operate ATT System in language laboratory.

Ms. Su is teaching English conversation in the language laboratory. Her students are listening to questions and prepare to answer by pressing "Call/Enter" key.

Ms. Su is teaching English conversation in the language laboratory. Her students are listening to questions and prepare to answer by pressing "Call/Enter" key.
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