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/done /performing/to carry out)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。 CASE SiteWatch™ Telematics means that you can generally know exactly where Every equipment is, Doing work status and if servicing or company is needed. Utilize real time an... https://codyfpixz.blogzag.com/80320378/the-definitive-guide-to-mba-case-study-help