ทดสอบ Past Tense

Question 1 (1 Points)
By the time we finished lunch, they had already left the restaurant.
    

Question 2 (1 Points)
I read the email this morning.
    

Question 3 (1 Points)
I had been working in the garden for two hours when it started to rain.
    

Question 4 (1 Points)
I had been cooking for an hour when my friend arrived.
    

Question 5 (1 Points)
By the time we finished the task they had already completed theirs.
    

Question 6 (1 Points)
They were talking when I interrupted them.
    

Question 7 (1 Points)
They were reading when I called them.
    

Question 8 (1 Points)
They were working on the project when the boss came in.
    

Question 9 (1 Points)
They were waiting for the bus when I saw them.
    

Question 10 (1 Points)
He visited his grandparents last weekend.
    

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