Think of a number, _______don't tell me what it is.
— How clean and tidy your bedroom is!—Thank you. It every day.A. cleans B. is cleaned C. was cleaned
— Could you tell me _?—Sorry, I don’t know.A. When will the plane take offB. When the plane will take off C. When would the plane take off
-What time will Diana get to Chengdu?-I’m not sure. When he ________, I’ll call you. A. will arrive B. arrive C. arrives
-Where is John?-He ______ the science lab.A. has gone to B. has been to C. went to
-How about having a picnic with me?-I’d love to, ______ I’m afraid I have no time. A. so B. and C. but