Our class are talking about having a picnic together this weekend. Unfortunately either my mother or my friends (1) ( is/are) coming to see me. I hope there will be no consensus. Jane is my friend. Neither she nor I (2) (is/am) going. But she seems to change her mind. It turns out that I was the only one who (3) (was/were) not going. So our monitor announces,“Only one out of 30 (4) (is/are) absent. We go ahead with our plan.”