问题
选择题
单项选择。
My brother and my sister their homework on Sunday. [ ]
A. don't
B. not do
C. doesn't do
D. don't do
答案
答案：D
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单项选择。
My brother and my sister their homework on Sunday. [ ]
A. don't
B. not do
C. doesn't do
D. don't do
答案：D