My father used to a math teacher,but he retired last year.[ ]A. being B. be C. isD. was-八年级英语

题目简介

My father used to a math teacher,but he retired last year.[ ]A. being B. be C. isD. was-八年级英语

题目详情

My father used to         a math teacher,but he retired last year.  
[     ]
A. being      
B. be          
C. is          
D. was
题型:单选题难度:中档来源:同步题

答案

B

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