Viết lại câu với “” if/unless” sao cho nghĩa của câu không thay đổi 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. -> _____________________________________________________________________________ NHANH

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