Question 40:

• The sentence is describing a present ability or function of the app. Therefore, the present simple tense is the most appropriate.

• The subject "Our healthy eating app" is singular.

• The correct verb form is the present simple third-person singular.

  The correct answer is A. guides.

Question 41:

• The verb needs to agree with the subject "all our recipes."

• "All our recipes" is plural.

• Therefore, the base form of the verb should be used.

  The correct answer is C. use.

Question 42:

• The phrase "Sign _____" followed by "for free" is a common phrasal verb meaning to register or subscribe.

• The correct preposition to use with "sign" in this context is "up."

  The correct answer is C. up.

So, the completed sentences are:

Want to eat better but don’t know where to start? Our healthy eating app guides you with recipes, meal plans, and shopping lists that are easy to follow. Whether you’re hoping to lose weight, gain muscle, or just improve your overall well-being, we’ve got you covered. You can customize your meals based on your dietary preferences, and all our recipes use natural, whole foods. Start today and see how easy a few small changes can make a big difference. Sign up for free, and gain access to hundreds of healthy recipes. Eating well has never been simpler!