3. 根据答语选择合适的词或词组填空。
Is | What's | Whose | What | When |
(1) A: the matter? B: Fm ill (生病的) .
(2) A: bag is this? B: It's my cousin's.
(3) A:it Helen's dress? B: Yes,it is.
(4) A: can you see in the pictures? B: I can see many beautiful flowers.
(5 ) A :do you go to school in the morning? B : At seven forty.