——Mary stays alone in the classroom and
题型:选择题
问题:
——Mary stays alone in the classroom and looks sad.
——________ to her?
A.What happens
B.What is happened
C.What is happening
D.What was happening
——Mary stays alone in the classroom and looks sad.
——________ to her?
A.What happens
B.What is happened
C.What is happening
D.What was happening