问题
选择题
The problem is very difficult, so many students can't ____. [ ]
A. work them out
B. work it out
C. work out them
D. work out it
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The problem is very difficult, so many students can't ____. [ ]
A. work them out
B. work it out
C. work out them
D. work out it
答案：B