câu điều kiện help me IV. Choose one sentence that has the same meaning as the root one. 1.Unless he apologizes , I’ll never invite him here again . A. If he doesn’t apologizes , I’ll never invite him here again B. If he doesn’t apologize , I’ll invite him here again C. If he didn’t apologize , I’d never invite him here again D. If he apologizes , I’ll never invite him here again 2. I’m not a millionaire , so I can’t buy you a plane . A. If I am a millionaire , I will buy you a plane B. If I were a millionaire , I would buy you a plane C. If you were a millionaire , I would buy your plane D. If I buy a plane , I’ll become a millionaire 3. If you don’t study harder , you will surely fail the next exam . Unless________________________________________ A. You don’t study harder , you will surely fail the next exam B. You study hard , you will pass the exam C. You study hard , you will surely fail the next exam D. You study hard , you won’t surely fail the next exam 4.I will marry her and I don’t care how old she is. No matter____________________________________________ A. How old is she , I will marry her B. I don’t care how old she is , I will marry her C.How old she is , I will marry her D. How she is old, Iwill marry her 5. They didn’t follow the map , so they got lost . If___________________________________________________ A. They didn’t follow the map , they wouldn’t get lost B. They followed the map , they wouldn’t get lost C. They hadn’t followed the map , they wouldn’t have got lost D. They had followed the map , they wouldn’t have got lost 6. Unless he phone her immediately , he won’t get information. If __________________________________________________ A. He doesn’t phone her immediately , he won’t get information B. He phones her immediately , he won’t get any information C. He doesn’t phone her immediately , he will get any information D. He doesn’t phone her immediately , he gets any information 7. The children will go swimming if it is sunny . A. It isn’t rainy, the children will go swimming. B. It is rainy, the children will go swimming. C. It is sunny, the children will go swimming. D. It is rainy, the children won’t go swimming. 8. If motorists were to drive carefully, they would have fewer accidents. A. Motorists are not careful and there are many accidents. B. Motorists are careful and yet there are many accidents. C. Motorists are not careful and yet there are few accidents. D. Motorists are care ful and there are few accidents.