Those worker are the ( ) of this modern building

Those worker are the ( ) of this modern building What are those on the there are two workers in the room ,one is old and the other is young.the young worker is the old worker's son,But the old worker is not the young worker's father ,why?同志们,回答 The story books are those -----(child). Who are those with the flags? those are students clean the classroom错那 Those are the能翻译成汉语 I guess those are the brakes. are those in the box?填什么 Those shorts are the right size. all those things are p___ the river There are two workers in the room.One is old and the other is young.The young worker is the old wThere are two workers in the room.One is old and the other is young.The young worker is the old worker’s son.But the old worker is not the young worker 《The Mirical Worker》观后感 What are those animals that are carved on the stones? Those pictures are on the 为什么要加are? Those are her CDs.(T )are on the chair. 初一英语判断对错,并说明原因The woman worker are working now They are currently in need of a temporary worker.I can fill in the vacancy.