The coffee was not strong. It didn’t keep us awake 14/20The coffee was not strong. It didn’t keep us awake The coffee was very strong, but it couldn’t keep us awakeWe were kept awake because the coffee was strong The coffee was not strong enough to keep us awake The coffee was so hot that it didn’t keep us awake Giải thíchĐáp án đúng: C Dịch: Cà phê không đủ mạnh để giúp tớ thức.