— What can I do for you, madam?
—I want some cakes my parents.
A：buy; for
B：to buy; to
C：buy; to
D：to buy; for
“星”共____画，“朵”共____画。
选词填空。
guess，Pacific，excited，so
下列杂交组合中，后代只有一种表现型的是（ ）
