问题
选择题
I usually do morning _____________ at 6: 30.[ ]
A. exercises
B. exercise
C. an exercise
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I usually do morning _____________ at 6: 30.[ ]
A. exercises
B. exercise
C. an exercise
答案：A