1 it was certain that he must have been a teacher before .同义

i must have been blind enough that i couldn't see he was a h he must have been there before----- He was a teacher before.的同义句He ___ ___ ___ a teacher Jack must have been joking when he said that he was going to It is certain that he will come.这个句子改为was certain that he wo it must have been raining when he got back home ,for he was 短文改错。 Before he was a teacher, Bob told me that what he woul 英语改错,急 Before he was a teacher,Bob told me that he would lik It must have taken years before he put on all that＿（disgust） 1、Tom thought he must have seen a strange insect,but it was take a look at that car,it must have been expensive,为什么用have It is certain that the teacher will jion us同义句