Read the advertising text to answer question

Learn a language in 2 week

“There has never been a _____________ way to learn a new language! Just spend an hour a day following Babel, a new online language course, based on the very _____________ language teaching theories. Most people can expect to reach fluency within six months, although the more time you spend on it, _______________ your progress will be. And at only $150 Babel is certainly _________________ most other similar courses, which often cost over $300. Apply online for Babel, the language course described as ‘________________ method to have been invented in the past decade, judging by its results’. And remember, we`re offering a 10% discount for the first 200 orders, so ________________ you apply, the better your chance of paying less!”

Mark the option that fills in the advertisement’s blanks with the correct adjetive forms.