选择一个正确的答案1.None of them_______of any use to me.A:is B:were C

选择一个正确的答案
1.None of them_______of any use to me.
A:is B:were C:was D:being
2.No teachers ________present at the meeting.
A:was B:be C:were D:have been
3.More than a month _______since Mr.Green came here.
A:has passed B:have passed
4.Every student and every teacher ________not late for school.
A:is B:be C:are D:were