1- a situation when you waited for a bus or a train 2- a challenging profession you know about

 
If you can talk about the cue card topic 
"Describe a lake, a river or a sea you 
like to visit."
you should be able to talk about the following IELTS cue card 
topics as well: 
x
Describe your favourite place in your hometown.
x
Describe a place near a lot of water. 
x
Describe somewhere you have been to recently.
x
Describe a recent tour or picnic you have had.
x
Describe a place you often visit.
x
Describe a river or sea in your country.
x
Describe a sea beach you have visited.
x
Describe a place in your country which is worth visiting.
x
Describe a famous tourist spot in your country.