问题
选择题
If a computer crashes, you will lose the file you ______ on if you don't save it early enough. [ ]
A. work
B. are working
C. will work
D. worked
答案
答案：B
搜题请搜索小程序“爱下问搜题”
If a computer crashes, you will lose the file you ______ on if you don't save it early enough. [ ]
A. work
B. are working
C. will work
D. worked
答案：B