问题
选择题
____ twice, the postman refused to deliver our letters unless we chained our dog. [ ]
A. Being bitten
B. Bitten
C. Having bitten
D. To be bitten
答案
答案:B
____ twice, the postman refused to deliver our letters unless we chained our dog. [ ]
A. Being bitten
B. Bitten
C. Having bitten
D. To be bitten
答案:B