Допишите отрицательные приставки следующим прилагательным. an __interesting book, an __natural color, an __important task, an __possible answer, an __personal letter ,an __definite article, an __correct answer speech ,an __regular verb, an __responsible person

Uninteresting book, unnatural color, unimportant task, impossible answer, impersonal letter, indefinite article, incorrect answer, indirect speech, irregular verb, irresponsible person