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who作主语时的动词形式who()ondutytoday?who()usEnglishthisterm?a,isb,arec,teachd,teaches

题目详情
who作主语时的动词形式
who( )on duty today?
who ( )us English this term?
a,is b,are c,teach d,teaches
▼优质解答
答案和解析
who is on duty today?
who teaches us english this term