2.We have been waiting in the queue for two hours.
3.They have been talking for 20 minutes.
4.She has been teaching English since 2003.
5.Sarah has been working here since morning.
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Answers & Comments
2.We have been waiting in the queue for two hours.
3.They have been talking for 20 minutes.
4.She has been teaching English since 2003.
5.Sarah has been working here since morning.