《What were you doing when the rainstorm came?》PPT课件3
《What were you doing when the rainstorm came?》PPT课件3第3页

A: What were you doing at nine last Sunday morning? B: I was sleeping . How about you? A: I was doing my homework. B: You’re kidding(开玩笑)!

last Sunday

9:oo a.m.

while