展开全部 在but后何时要接带to的不定式，何时要接不带to的不定式有一条简单的规则。那就是前面动词是do（does/did/accomplished /doing/to complete）时，后接不带to的原形不定式；如前面用的是其他的动词，则后面的不定式要加上to。 1. Making use of what you understand from both old and new international trade principle, how can you reveal the evident achievements of Baladna in generating and current... https://onlinecasesolution47685.jiliblog.com/93340964/examine-this-report-on-hbs-case-solution