Question

【题目】Look! The boy who _______ basketball is my brother.
A.is playing
B.are playing
C.play
D.plays

Answer 1

【答案】A
【解析】句意：看，在打篮球的那个男孩是我的兄弟。定语从句的谓语动词要与先行词的数保持一致，先行词是the boy，故用单数；Look！现在进行时的标志。故选A。