The coffee was not strong. It didn’t keep us awake24/30The coffee was not strong. It didn’t keep us awake.The coffee was not very strong, but it couldn’t keep us awake.We were kept awake because the coffee was strong.The coffee was not strong enough to keep us awakeThe coffee was so hot that it didn’t keep us awake.Giải thíchChọn đáp án C Giải thích : cấu trúc be enough to V: đủ để làm gì