( )The classroom is ten years ______ .
绿色A. red B. blue C.green
向下A.up B. down C. stand
健康的A. good B.fine C. thank
别人主动向你说How are you ?时,你应当说:A.Thank you. B.I’m fine, thank you.
回答完问题后,老师让东东坐下,他可以这样说:A.Please stand up ! B.Please sit down .