问题
选择题
-Susan stays alone in the classroom and looks sad.
-__________ to her?[ ]
A. What happens
B. What has happened
C. What is happening
D. What was happening
答案
答案：B
搜题请搜索小程序“爱下问搜题”
-Susan stays alone in the classroom and looks sad.
-__________ to her?[ ]
A. What happens
B. What has happened
C. What is happening
D. What was happening
答案：B