Question

Tom had no choice but _____ the classroom with his classmate

Answer 1

A

（Tom）主语 （had）谓语 （no choice）宾语 （but to chean the classroom with his classmates）状语

but 当除了讲,如果前面有do的任何形式 后面加动词都不用不定式to,但是没有的时候就要加动词不定式to