Question

Do you know the boy ________ is sitting next to Jim?
Yes. He is Jim’s friend. They are celebrating his ________ birthday.

A．who, ninth

B．that, nineth

C．/, nine

D．which, nine

Answer 1

A

此題重點考查定語從句的引導詞和序數詞的用法。先行詞The boy 在從句中充當主語，引導詞可以用who也可用that。某人的第幾生日要用序數詞。