👋 Hi! Ловите новый мини-тест от
#PetroleumEnglish!
📚 Which sentence is grammatically correct? Какое предложение грамматически правильное?
🤩 - The research paper was submitted on time, wasn't it?
🔥 - The research paper was submitted on time, isn’t it?
❤️ - The research paper was submitted on time, didn’t it?
🎉 - The research paper was submitted on time, won’t it?