单项选择题
A. He enjoys writing home every week. B. He never writes home once a week. C. He doesn’t write home once a week now.
A. He was born blind. B. He became blind as a result of an accident. C. After taking some medicine, he became blind.
A. He hved in the 170Os. B. He lived in the 1800s. C. He lived in the 190Os.