He is old. He is my .[ ]
A. little brother
B. grandmother
C. grandfather
答案：C
用橡胶处理的精梳毛纺绝缘布或带
I'm very glad to know that my boss has generously agreed to ________ my debt in return for certain
services. [ ]
A. take away
B. cut out
C. write off
D. clear up
