be in his mid-thirties其中his有何作用,

be in his mid-thirties其中his有何作用, The lady standing at the school gate to ____(appear)to be in her late thirti in his mid-20's He's in his mid-fifties,well,fifty-six,to be后面是to be e_______ in his mid 30s 这是几岁?how old is mid 30s? in the mid-dell ”highs should be in the mid-80s to low 90“的意思 be coming up,be coming区别be coming up,be coming以下两句中有何不同?Mid-Autumn Festival is coming.His birthday is coming up 请问这里的mid-nineties是什么意思?来自一则天气预报:Today's high will be in the mid-nineties——the eighth straight day of plus-ninety temperatures. She's in her mid his aunt ___(be)in the office in an hour. in one s mid thiries 翻译 in the mid 1810's怎么翻译 in the mid-60s什么意思 keep the big picture in mid是什么 earn some extra money be part of play to passers-by in the street in the mid-1980s a year or so 意是五个短语 Tom must be in his room.(改为否定句)Tom ___ ___ in his room. he may be in his room请问这句话能说成He may in his room吗?