Complete the sentences with when or while:
1. I was having lunch ________ James arrived.
2. ________ I heard the doorbell, I went to the door.
3. ________ Jo was washing her hair, I did my homework.
4. ________ I buy the bread, you can go to the butcher's.
5. I was at the baker's _________ I met Jo.
6. The customer was being helped by the salesman _______ the thief came into the
store.
7. ______ you saw Keith, was he with Jo?
8. I was in the shop ________ someone stole my bag.
9. I hurt my back ________ I tried to lift the piano.
10. ________ we were standing outside the cinema, someone picked my pocket.
11. ________ Mrs. Scott came back to her hotel, she called the elevator.
MIK ĐANG CẦN RẤT GẤP. HELP ME !!!
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Sinh Học lớp 12
