问题
选择题
Since David is so hard-working, he would not mind ______ extra work f or the Students' Union. [ ]
A. to do
B. doing
C. does
D. done
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Since David is so hard-working, he would not mind ______ extra work f or the Students' Union. [ ]
A. to do
B. doing
C. does
D. done
答案：B