问题
选择题
How much time does Millie spend _____ her homework? [ ]
A. to do
B. in
C. does
D. doing
答案
答案：D
搜题请搜索小程序“爱下问搜题”
How much time does Millie spend _____ her homework? [ ]
A. to do
B. in
C. does
D. doing
答案：D