问题
选择题
This _____ my sister and those _____ my parents. [ ]
A. is; is
B. are; are
C. are; is
D. is; are
答案
答案：D
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This _____ my sister and those _____ my parents. [ ]
A. is; is
B. are; are
C. are; is
D. is; are
答案：D