Listen! His family must be quarreling, ? A．mustn’t it B．aren’t they C．isn’t it D
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Listen! His family must be quarreling, ?
A．mustn’t it B．aren’t they C．isn’t it D．needn’t they
试题答案
B
Listen! His family must be quarreling, ?
A．mustn’t it B．aren’t they C．isn’t it D．needn’t they
B