Chia động từ trong ngoặc ở thì hiện tại hoàn thành hoặc thì hiện tại hoàn thành tiếp diễn

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Bài tập 2: Chia động từ trong ngoặc ở thì hiện tại hoàn thành hoặc thì hiện tại hoàn thành tiếp diễn
1. How often
(you clean) the windows this year?
2.1
all day and (just come) home from the office.
(be) at school since 7 o'clock.
(work)
3. The girls
4. We
(play) basketball for the last few hours. (play)
5.I________ (wait) for the train for half an hour, but it still
6. She (not cook) anything yet because she
7. She _______ (work) for the company since she graduated from university.
8. They
(live) in Boston since they arrived in the USA ten years ago. (live)
(wait) for you since 2 o'clock.
(work) too hard all day. (work)
9. Ben, where have you been? 1.
10. My wife is exhausted because she
11. It
12. She
(not arrive) yet.
(talk) to her neighbour all the time.
(rain) all week. I hope it will stop by Saturday.
(perform) in eight movies since she began acting.
13. Jane
14. The department store is still closed. It
15. How many times (you take) this exam?
(work) on the computer for hours, and she (not finish) yet.
(not open) yet.