Exercise 2: Choose the Correct Option: Choose the correct form (past perfect or past perfect continuous) to complete
Exercise 2: Choose the Correct Option: Choose the correct form (past perfect or past perfect continuous) to complete each sentence.
Trả lời cho các câu 1, 2, 3, 4, 5 dưới đây:
Question 6. By the time the teacher came, the students __________ (had finished / had been finishing) their homework.
Đáp án đúng là: had finished
Đáp án cần điền là: had finished
Question 7. I __________ (had known / had been knowing) her for a long time before we became friends.
Đáp án đúng là: had known
Đáp án cần điền là: had known
Question 8. She __________ (had cooked / had been cooking) all morning, so the kitchen was a mess.
Đáp án đúng là: had been cooking
Đáp án cần điền là: had been cooking
Question 9. They __________ (had left / had been leaving) the office when I called.
Đáp án đúng là: had left
Đáp án cần điền là: had left
Question 10. He __________ (had worked / had been working) on the project for weeks before he finally completed it.
Đáp án đúng là: had been working
Đáp án cần điền là: had been working
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