Listen! His family must be quarrelling,
题型:选择题
问题:
Listen! His family must be quarrelling, _____? [ ]
A. mustn't it
B. isn't it
C. aren't they
D. needn't they
Listen! His family must be quarrelling, _____? [ ]
A. mustn't it
B. isn't it
C. aren't they
D. needn't they