【单选题】_ late for school again, July. [ ]
【单选题】___ late again, Bill!
【单选题】___ in bed. It's bad for your eyes. A. Not to read B. Don't read C. Don't to read D. Not read
【简答题】对于同一个结构,下列命题错误的是()。 (A)力法的最多未知数个数唯一 (B)力法基本体系不唯一 (C)位移法最多未知数个数唯一 (D)最少未知数时,位移法基本体系唯一
【单选题】Why ________ join an English language club? [ ]