assist sb in doing sth... 协助某人进行.惯用短语
He asked us to assist him in carrying out their plan.
他请我们协助他实行他们的计划.
A 后接 with 不合适 B to 后面加原形成为不定式就可以
D help with 后面一般直接加宾语, help with sth
assist sb in doing sth... 协助某人进行.惯用短语
He asked us to assist him in carrying out their plan.
他请我们协助他实行他们的计划.
A 后接 with 不合适 B to 后面加原形成为不定式就可以
D help with 后面一般直接加宾语, help with sth