Vật AB đặc trước thấu kính phân kì

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1. He doesn’t have the money and he cannot afford a new car. If………………………………………………………………………………………….. 2. Susan felt sick because she ate 4 cream cakes. If…………………………………….…………………………………………………….. 3. We didn’t know your phone number, so we could not contact you. If…………………………………….……………………………………………………….. 4. The price of petrol was raised last month, so car sales have dropped again. If…………………………………………………………………………………………….. 5. I cannot go to the beach with you this weekend because I have a date with my old classmates. If……………………………………………………………………………………………. 6. She didn’t hurry, so she missed the train. If………………………………………….……………………………………………….. 7. I never got very lonely because I have lots of good friends. If…………………………………………………………………………………………….. 8. We didn’t go on holiday because we didn’t have enough time. If…………………………………………………………………………………………….. 9. We got lost because we didn’t a map. If…………………………………………………………………………………………….. 10. The match can be cancelled because it rains heavily. If…………………………………………………………………………………………….. 11. He lost all his money because he wasn’t careful. If………………………………………………………………………………………….. 12. Because Simon doesn’t live near his mother, he can’t visit her often. If……………………………………………………………………………………………. 13. Without this treatment, the patient would die  If ________________________________________________________________ 14. Without the air, we would die. If ________________________________________________________________________ 15. I didn’t watch TV last night because I was busy. __________________________________________________________________________ 16. I don’t know the answer, so I can’t tell you. If _________________________________________________________________ 17. We get lost because we don’t have a map. __________________________________________________________________________ 18. I couldn’t write to Alice because I didn’t know her address. __________________________________________________________________________ 19. He failed the exam because he watched TV too much. __________________________________________________________________________ 20. Without your help, I couldn’t buy the house. __________________________________________________________________________ 21. He didn’t answer the phone because he was taking a bath. __________________________________________________________________________