:听第10 段材料，回答第17~20题
17.Who is Linda?
A.An office assistant
B.An animal keeper
C.A school student
18.What does Linda collect?
A.Coins
B.Stamps
C.Matchboxes
19 What kind of stamps does Linda like?
A.Stamps in color
B.Stamps with animals and birds on them C.Interesting stamping
