B.Sue.
C.Jack.
听第10段材料,回答第17至20题。
17.Who did the speaker go on a cookery course with?
A.Her cousin.
B.Her sister.
C.Her mother.
18.Which course did the speaker choose?
A.The one-day course.
B.The three-day course.
C.The one-week course.
19.What surprised the speaker when she started her course?
A.The course was so popular.