题目内容
( ) 16. The students arrived there by
A. two and three B. twos and threes
C. two or three D. second and three
16. B by twos and threes为闳定结构,意为"三三两两"。
练习册系列答案
相关题目
( ) 11. Open your book and turn to______________ •
A. page 2nd B. the two page
C. page two D. 2nd page