If/ you/ not help/ II not meet/ her/ last week5/15Choose the best sentence - a, b, c, or d – made from the given cues. If/ you/ not help/ II not meet/ her/ last week.If you don't help me, I couldn't meet her last week. If you' didn't help me, I couldn't meet her last week. If you hadn't helped me, I couldn't meet her last week. If you hadn't helped me, I couldn't have met her last week.Giải thíchĐáp án: D Giải thích: Nếu bạn không giúp tôi, tôi không thể gặp cô ấy tuần trước.