The boat trip along the river was cancelled BECAUSE / BECAUSE OF the bad weather
BECAUSE OF
We will have to consider joining another club UNLESS / BESIDES you make the improvements
UNLESS
I'm giving you a phone card IN CASE / IF you mobile phone doesn't work in Italy
IN CASE
The visit should be longer SO/ SO AS to give people enough time to see the whole city
SO AS
The dates of the exam need to change IN ORDER / IN ORDER THAT all students can take it
IN ORDER THAT
We had to move out the city OWING TO /BECAUSE the rise in prices
OWING TO
EVEN SO / EVEN THOUGH we are irritated by adverts, they can give us useful information
EVEN THOUGH
We must replace the speakers AS LONG AS / SINCE the current ones are not satisfactory
SINCE
You can ask the teacher for help IF / IN CASE you need extra guidance
IF
ALTHOUGH / IN SPITE OF the fact the accommodation is cheap, it's very comfortable
IN SPITE OF
