11. I always take something to read when I go to the doctor's ____ I have to wait. (2005全國(guó)II)
　　A. in caseB. SO that
　　C. in orderD. as if
　　【解析】選Ain case引導(dǎo)句子或單獨(dú)使用，上面句子中in case I have to wait “以防我去等”，使上下文邏輯通順。
　　12. - I'm afraid Mr. Wood can't see you until 4 o'clock.
　　- Oh, ____ I won't wait. (2005浙江)
　　A. no doubtB. after all
　　C. in that caseD. in this way
　　【解析】選Cin this / that case (要是這樣／那樣的話)。