The young man got on the train was very friendly.
查看答案
The young man got to the office before the writer.
A. 对
B. 错
The writer didn't think the young man looked familiar.
A. 对
B. 错
1. I ____ the letter when she called.
A. was writing
B. write
C. is writing
I was busy yesterday. I____ for the exam.
A. prepare
B. was preparing
C. prepares