Traditional Culture Encyclopedia - Weather forecast - English problems

English problems

A, this is an independent structure, which can also be called adverbial, that is, weather is the subject and agent of permit. C table passive exclusion; D is because a complete sentence cannot have two predicates, that is, verb prototype exclusion; B the infinitive of verbs can express the purpose, result, etc. So it doesn't make sense. Weather permitting, the party will be held in the park.