#1 - Your answers are basically words from the text provided, avoid bringing in new words.
#2 - Read the instructions clearly. The whole point of these IELTS folks is to provide instructions clearly to confuse you.
#3 - Have a clear mind.
#4 - Have a valid reason for all your answers.
#5 - You have about 10 days for your exam, if you start doing at least 2 (LRW)/day with full focus, you should be able to get some decent scores.