问题
选择题
Mr Smith has two______ , both of whom are teachers in a school.
A．brothers-in-law
B．brother-in-laws
C．brothers-in-laws
D．brothers-in law
答案
答案：A
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Mr Smith has two______ , both of whom are teachers in a school.
A．brothers-in-law
B．brother-in-laws
C．brothers-in-laws
D．brothers-in law
答案：A