Question

【题目】—I'm thirteen years old and Peter is fifteen years old.
—Oh, you' re two yearsthan Peter.
A.old
B.older
C.young
D.younger

Answer 1

【答案】D
【解析】句意：我13岁了，皮特15岁。哦，你比皮特小两岁。由than可知用比较级；old老的；young年轻的。根据句意可知用younger，所以答案是D。