来自范逊的问题
there()anOpendayatmyschoolnextweekAisgoingtohaveBisgoingtobeCwillhaveDwillis
there()anOpendayatmyschoolnextweek
AisgoingtohaveBisgoingtobeCwillhaveDwillis


there()anOpendayatmyschoolnextweekAisgoingtohaveBisgoingtobeCwillhaveDwillis
there()anOpendayatmyschoolnextweek
AisgoingtohaveBisgoingtobeCwillhaveDwillis
在计划内将要发生的用begoingto选B