ทดสอบ Simple Tense

Question 1 (1 Points)
I have been studying all day.
    

Question 2 (1 Points)
I am talking to you now.
    

Question 3 (1 Points)
We have been working on this project for two weeks.
    

Question 4 (1 Points)
He has been playing basketball for an hour.
    

Question 5 (1 Points)
They have been discussing this issue for hours.
    

Question 6 (1 Points)
He has been fixing the car all afternoon.
    

Question 7 (1 Points)
I have been practicing yoga for a year.
    

Question 8 (1 Points)
I have visited Paris twice.
    

Question 9 (1 Points)
I have visited London twice.
    

Question 10 (1 Points)
I have been organizing my room since morning.
    

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