money exchange If I want to change some Renminbi into US dollars. The phrase I should use is change money or exchange money or both are okay? Thanks!

bowling what verbs do we use before bowling? play bowling? what verb do we use before fencing? do fencing?

a pair of new shoes or a new pair of shoes a pair of new shoes or a new pair of shoes or both are okay

sport shoes or sports shoes sport shoes or sports shoes or both are okay Thank you!

How do we use but, and? When use adj to describe a city/a country, how do we use and, but? Shanghai is a big and expensive city. Shanghai is a big but expensive city. Seoul is a big and safe city. Seoul is a big but safe city. Which is right? or they are all okay and mean different things.

Both and can We both can do yoga. We can both do yoga. Both of us can do yoga. Which one is right? Thanks

Postcode If I want to know someone's postcode, should I ask" what's your postcode?" Does it sound right? How do we tell others my postcode? Read the postcode the way we say phone numbers?

difference between bathroom and restroom bathroom toilet restroom washroom lavatory any difference? Thank you!

break an egg Do you use crack or break before an egg crack an egg or break an egg Which one is right? or any differences between these two phrases? Thank you!