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Option 4 : No improvement
The correct answer is 'No improvement'
- According to grammar, 'for a long time' means 'to describe something that has existed or been a particular thing for a long time.' Hence, this activity has been started in the past and still exists in.
- So, use the present perfect tense.
- Let's see an example-
- He hasn't watched TV for a long time.
So the correct sentence is- We have been away for a long time, you know, and so we're anxious to get home again.
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