ทดสอบทั้ง 12 เท้นส์(tense)

คำถามข้อที่ 1 (1 คะแนน)
They were cleaning the house when I visited them.
    

คำถามข้อที่ 2 (1 คะแนน)
By next year, we will have opened five new stores.
    

คำถามข้อที่ 3 (1 คะแนน)
They have been discussing this issue for hours.
    

คำถามข้อที่ 4 (1 คะแนน)
By the time you finish the meeting, I will have completed my work.
    

คำถามข้อที่ 5 (1 คะแนน)
She has already read this book.
    

คำถามข้อที่ 6 (1 คะแนน)
We were discussing the plan when she interrupted us.
    

คำถามข้อที่ 7 (1 คะแนน)
By the time we arrived, they had already finished dinner.
    

คำถามข้อที่ 8 (1 คะแนน)
By the time I finished my lunch, they had already left for the meeting.
    

คำถามข้อที่ 9 (1 คะแนน)
We have visited that museum before.
    

คำถามข้อที่ 10 (1 คะแนน)
By next year, I will have completed my degree.
    

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