—_________ did you leave the classroom?
问题:
—_________ did you leave the classroom?
—___________ I saw my daughter sit down and read her book.
A.How long; After
B.When; Until
C.How long; Until
D.When; After
—_________ did you leave the classroom?
—___________ I saw my daughter sit down and read her book.
A.How long; After
B.When; Until
C.How long; Until
D.When; After