Theteachermustbe
问题详情:
The teacher must be ____________.
A. listening to B. listened to carefully C. listened carefully D. listen
【回答】
B
知识点:动词和动词短语
题型:选择题
问题详情:
The teacher must be ____________.
A. listening to B. listened to carefully C. listened carefully D. listen
【回答】
B
知识点:动词和动词短语
题型:选择题