A. Prepareaspeech. B. Sendane-mail. C. Typealetter. D. Makeaphonecall.
A. Thefirstfloor. B. Thesecondfloor. C. Thethirdfloor. D. Thefourthfloor.
A. Inabank. B. Inabookstore. C. Attheairport. D. Atahotel
A. 鼠 B. 猪 C. 牛 D. 鸡