问题
选择题
— What is Tom doing now?
— He is _____ at the moment. [ ]
A.sleep
B.sleeps
C.to sleep
D.sleeping
答案
答案：D
搜题请搜索小程序“爱下问搜题”
— What is Tom doing now?
— He is _____ at the moment. [ ]
A.sleep
B.sleeps
C.to sleep
D.sleeping
答案：D