问题
选择题
"Where's Uncle Wang?"
"Look! He is over there. He and Tom _______ at a machine now." [ ]
A. is working
B. work
C. worked
D. are working
答案
答案：D
搜题请搜索小程序“爱下问搜题”
"Where's Uncle Wang?"
"Look! He is over there. He and Tom _______ at a machine now." [ ]
A. is working
B. work
C. worked
D. are working
答案：D