问题
选择题
People will use robots the housework in the future . [ ]
A. do
B. to do
C. doing
D. to doing
答案
答案：B
搜题请搜索小程序“爱下问搜题”
People will use robots the housework in the future . [ ]
A. do
B. to do
C. doing
D. to doing
答案：B
