问题
选择题
Mother giant pandas have only one or two babies . [ ]
A. at a time
B. at the time
C. at this time
D. at that time
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Mother giant pandas have only one or two babies . [ ]
A. at a time
B. at the time
C. at this time
D. at that time
答案：A