单项选择题
M: You’ve bought only 15 oranges W: No, I bought 20 in all. But when I got home, I found five were bad.
A.5 B.10 C.15 D.20
A. On his bike. B. On the grass. C. Near the pool. D. At home.
A. She forgot her class. B. Her clock was wrong. C. The bus was late. D. She got up later than usual.