Used to show a logical result or conclusion based on something just mentioned.
“The store is closing in five minutes; therefore, the man will probably hurry.”
“The ice is melting quickly; therefore, the polar bear will likely need to swim.”
'Therefore' works well in Task 4 to link your observation of the picture directly to your prediction, for example: 'The sky is very dark; therefore, it will probably rain soon.' It's a classic, safe connector that examiners expect to hear in well-organized, logical responses.
Synonyms: consequently, as a result, so