The boy is in the green.What's the meaning of in the green?

The boy is in---------room .Jack is the strongest boy in the The boy in the blue is Is the boy _____ in the river? The boy’s baseball is in the where is the boy in in white? There is a boy in the picture The boy in red is me. The boy is in red shirt.错哪 that,the,tree,who,boy,in,is(?) that, the, tree, who, boy, in, is, The boy in green is my brother. The boy in b_____ is so f______. is the boy in blue heisMike “Who is the boy in black? The boy is in the bed .The boy is in the bed.这里为什么不用on 而用in the photo boy in the my is brother 连词成句快 Look at the (P ).the boy in it is