单项选择题

Listen! His family must be quarrelling, ______

A. mustn't it



B. isn't it
C. aren't they


D. needn't they
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The Children's Hospital is far from here. You'd better ______ there by taxi.
A. come
B. go
C. walk
D. travel
单项选择题
“性善论”和“性恶论”所反映的观点是( )。
A．遗传决定论
B．环境决定论
C．教育万能论
D．共同作用论
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