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Bài 5. Viết lại câu với if/unless" sao cho nghĩa của câu không thay đổi. unless= If not
1. I can't finish this task you don't give me a hand.
2. You will run out of money if you don't stop wasting it.
3. Don't call me unless it is an emergency.
4. James will not pass the test unless he studies harder.
If Jane finishes her work before 6 pm, she will dine out with her friends.
6. My brother won't go travelling this summer if he doesn't find a companion.
7. It is not easy to do these exercises unless you listen attentively to the teacher.
8. If Jim doesn't submit his essay before Tuesday, he will be punished by the teacher.