A Read the magazine article about using phones in public and complete it using enough, too, enough to and too ... to.
Did you know that the average American checks their phone 205 times a day? These days, we check our phones in (1) many places—restaurants, theatres, public transport, you name it, and many of us do it (2) often. That's why it's important to think about good manners when we use them. Here are some tips for using your phone politely in public.
In restaurants, keep your phone on silent and don't check it when eating. Be polite (3) think about the people at your table. They want your attention. Don't be (4) busy with your phone talk to them.
On public transport, it's fine to check your phone, as long as you show (5) respect for other passengers. If you need to make a call, always use earphones and don't speak (6) loudly.
We often use our phones to take photos in public, but sometimes strangers end up in our photos by accident. Since not everyone likes having their photo posted online, be respectful (7) avoid sharing photos of strangers.
Phones are part of everyday life—but good manners should be too. Enjoy your phone—but when you are using it in public, be thoughtful (8) show respect for others.

B Read the guide about the dos and don'ts on public transport and complete it using enough, too and the correct structure with the words in brackets.
Billions of people around the world use public transport every day. With so many people getting on and off trains, buses and the underground, it's important to have good manners. Here are some dos and don'ts on public transport.
Dos
• Be (1) (patient, wait) in line. Jumping the line upsets others, and it's not fair. Stand in line, let passengers get off first, and then get on.
• Be (2) (thoughtful, give) up your seat when you see elderly, pregnant or injured passengers. Does someone look (3) (tired, stand)? Offer them your seat too!
• Clean up after yourself. Your seat should be tidy (4) for the next passenger. If everyone left rubbish behind, public transport would quickly become (5)  dirty.
Don'ts
• Don't block the doors on public transport. Leave (6)  space for people to get on and off easily.
• Don't put your backpack on an empty seat when the train, the bus or the underground is crowded. Carry your backpack on your front or hold it by your side so you leave (7)  room and won't knock into others.
• Don't eat foods with strong smells, such as durian and stinky tofu. Strong smells can bother other passengers. Many people may be (8) (polite, say) anything about it, but they don't want to smell a strong smell!