Question

【题目】I'm ________ years old and it's my _______ birthday today.
A.fifteen, fifteen
B.fifteen, fifteenth
C.fifteenth, fifteen
D.fifteenth, fifteenth

Answer 1

【答案】B
【解析】句意：我今年15岁,这是我第十五个生日。十五岁使用基数词fifteen,第十五个使用序数词fifteenth。所以选出正确答案B。