Hurry 15 pts + brainliest read the following sentence. leonardo da vinci was interested in flight. he sketched flying machines. they are different shapes and sizes. they are unlikely to work. is the error in these sentences one of variety, conciseness, order, or structure? a. variety – the sentences are too choppy. b. conciseness – the sentences need to be in active voice. c. order – the sentences contain misplaced modifiers. d. parallel structure – the sentences do not use the same construction.