Question:
Multi-choice problem: Continue writing the next sentence for the following:

How to gain badges in stack exchange
Familiarise yourself with the available types of badges.

Gold badges: these are the toughest to get and often reflect the length of time taken to secure them. They reflect important contributions that users have made, such as making a lot of good quality posts or doing editing work.
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Answer:
These are the best badges you can get. Bronze badges: these are easy to get.

Question:
Multi-choice problem: Continue writing the next sentence for the following:

How to get inspired
Surround yourself with things that energize you.
Classical music is good for inspiration because it's so complex. It can put you in a better emotional state for absorbing information and help you relax.
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Answer:
When you're more relaxed and in a better frame of mind for learning, you're more receptive to new ideas that might be the perfect inspiration for the problem you're working on. If classical music isn't your style, pick another style more to your liking.

Question:
Multi-choice problem: Continue writing the next sentence for the following:

How to locate organic restaurants
Look for advertisements.
Organic food is far more popular that it once was. As such, more and more organic restaurants are gradually opening.
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Answer:
When a new restaurant opens, one of the most important things that restaurant does is to build a loyal customer base by drawing new customers in through advertisements. While older restaurants may not advertise as extensively, new organic restaurants are likely to place ads in a variety of locations.

Question:
Multi-choice problem: Continue writing the next sentence for the following:

How to hang a gate
Dig a hole at least 3 feet (or 1 meter) deep using a post hole digger.
Place one of the posts into its hole and while holding it as level as you can, pour dry concrete into the hole until it is half filled.
Pour in roughly 5 inches (or 12. 7 centimeters) of water and let the mix soak for a minute or two.
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Answer:
Fill the hole to about 5 inches (or 12. 7 centimeters) from the top with more of the dry mix, adding another 5 inches (or 12.