问题补充:
单选题Thelibrarysstudyroomisfullofstudents_______fortheexam.A.busily preparedB.busy preparingC.busyly prepareD.are busily preparing
答案:
B
时间:2019-10-15 17:32:38
单选题Thelibrarysstudyroomisfullofstudents_______fortheexam.A.busily preparedB.busy preparingC.busyly prepareD.are busily preparing
B