Ann has a younger sister and an older sister.
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Both Ann and her father have a very good heart.
A. 对
B. 错
Ann and her father get along very well and they seldom quarrel with each other.
A. 对
B. 错
Being outspoken is helpful to reduce family conflicts.
A. 对
B. 错
100中不能被2、也不能3、也不能被5整除的数有多少个?
A. 20
B. 24
C. 26
D. 30