ทดสอบ Past Tense

คำถามข้อที่ 1 (1 คะแนน)
They were discussing the project when the manager walked in.
    

คำถามข้อที่ 2 (1 คะแนน)
They were studying when the teacher asked them a question.
    

คำถามข้อที่ 3 (1 คะแนน)
By the time we finished lunch, they had already left the restaurant.
    

คำถามข้อที่ 4 (1 คะแนน)
I was walking in the park when I met an old friend.
    

คำถามข้อที่ 5 (1 คะแนน)
By the time I finished my meal, they had already left the restaurant.
    

คำถามข้อที่ 6 (1 คะแนน)
I watched a movie last night.
    

คำถามข้อที่ 7 (1 คะแนน)
They were waiting at the station when the train arrived.
    

คำถามข้อที่ 8 (1 คะแนน)
I cleaned the kitchen yesterday.
    

คำถามข้อที่ 9 (1 คะแนน)
By the time I got to the meeting, they had already started.
    

คำถามข้อที่ 10 (1 คะแนน)
I had been working on the project for days before I completed it.
    

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