am is are 现在时 was were 过去时I+am/was She/He +is /was it +is/was They+are/were故答案是 is/was is/was
What_is/was___the man's job?He__is/was__a worker.因为以上两题都是单数形式,所以用is的形式来填空但是也有可能为过去式,所以可以用was望采纳
isis
is; is