Question

【题目】The children ______ going to the classroom.

A. all are B. are all C. all do D. is all

Answer 1

【答案】B

【解析】句意：孩子们都要去教室了。考查不定代词all的用法。all放在be动词之后，实义动词之前；be going to打算，因主语The children是复数名词，系词需用are。根据句意，可知选B。