—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.—______
—Hi, why are you here?—I ________ for Susan for 15 minutes.A. have been waiting B. have waiting C. am waitingD am been waiting
He often ________ his toys ________ and put them back together.A. took, apart B. takes , apart C. took, awayD took, took
-Do you know there __________ a soccer game on our playground?-Really? How about going together?A. will have B. is going to be C. is going to haveD is going have
-What __________ you __________ this weekend?-I'm going to have an English class.A. do, do B. are, do C. are, going to doD going to do
Maria often ____ breakfast at seven o’clock.