Lucy never goes swimming with her parents, ________
A. doesn't she
B. does she
C. does Lucy
The Whites are sitting ________ the breakfast table.
A. by
B. at
C. near
在存货模式中,最佳现金持有量是指( )。
A. 短缺成本和转换成本之和最小的现金持有量
B. 机会成本和管理成本之和最小的现金持有量
C. 管理成本和短缺成本之和最小的现金持有量
D. 机会成本和转换成本之和最小的现金持有量
Mr. Smith often put on his best clothes.
A. Right.
B. Wrong.
C. Doesn't say.