问题补充:
She on her homework in her study now .
A. must work
B. can work
C. must have worked
D. must be working
答案:
A. must work
B. can work
C. must have worked
(答案→)D. must be working
解析:对正在发生的事进行推测。
时间:2020-02-09 16:18:10
She on her homework in her study now .
A. must work
B. can work
C. must have worked
D. must be working
A. must work
B. can work
C. must have worked
(答案→)D. must be working
解析:对正在发生的事进行推测。