They * going to see my mother this sunday.A.both B.Either C.All D_英语解答

They * going to see my mother this sunday.
A.both B.Either C.All D.Both
选哪个,为什么?
a.both b.both are c.are both of d.are both

人气：157 ℃　时间：2019-12-26 00:49:34

解答

选D.原因如下:一,BE GOING TO是固定用法：将来时,表示将要.句子缺少谓语动词BE,要加上去,故排除选项A.二,像both/all这样的词语一律放在be动词之后,(扩充：行为动词之前）,故排除选项B.三,像这个句子,both后应该直接...