A. I don't know.
B. I lost my cat.
C. What's this?
D. It's yellow.
E. It isn't hers.
F. I lost my hat.
G. What's that?
H. It isn't his.
—______
— ______
⑴Whose bag is it? A. It is in the box.
⑵Is this yours? B. They are Mary's.
⑶Whose flowers are they? C. Yesterday.
⑷When do you lose it? D. It is his.
⑸Where is it? E. Yes, it is.
参考词汇:raining, running, dirty, wet...
参考句型:It's...