“Is you want to say？” asked the teacher.
A. this
B. that
C. all that
D. that all
网友回答
A. this
B. that
C. all that
(答案→)D. that all
解析：考查代词。假若选A或B，那么转换成陈述句即为：This is you want to say. / That is you want to say. 显然句中的两个谓语动词 is与want相冲突。选D组成的句子是 Is that all you want to say?其中的that 为句子主语，all 为表语，you want to say为定语从句，用以修饰all。