题干
- You dress is quite beautiful on you.
- Thank you. I got it when it was on sale. It was really a __________.
- Thank you. I got it when it was on sale. It was really a __________.
A：treasure
B：mercy
C：waste
D：bargai
答案(点此获取答案解析）
D
周期开始计时,则图乙描述的是( )