题目

—— Look! Tom is still running for the marathon.          —— Oh, god. He _________ for five hours.       A. has run       B. has been running     C. ran             D. are going to run 答案：B — I will come to attend your lecture at 10:00 tomorrow.— I’m sorry, by then my lecture will have ended and I _____ my guests in my office.A．is being metB．will meetC．will be meetingD．will have met