What do you do the weekends?A. in B. on C. at
绿色 A. redB. blue C.green
向下 A.upB. downC. stand
健康的 A. good B.fineC. 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 .