II. Choose the correct answer:
1. ________ he was talking on the phone, I was watching TV.
A. while
B. when
2. He was cancelling his flight __________ we called him.
A. while
B. when
3. I was overtaking a truck ________ I heard a loud thump.
A. while
B. when
4. We were watching a movie ________ the screen went blank.
A. while
B. when
5. ________ she was packing the bags, I was looking for our passports.
A. while
B. when
6. We were complaining about the weather __________ the sun broke through the
clouds.
A. while
B. when
7. Sandra was washing the dishes _________ a plate fell off the shelf.
A. while
B. when
8. Do not disturb me ________ I'm listening to music!
A. while
B. when
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Sinh Học lớp 12
