如果x﹣y=3,m+n=2,则(y+m)﹣(x﹣n)的值是____.
仰观宇宙之大,俯察品类之盛,____,____,信可乐也。(王羲之《兰亭集序》)
A: What can you see? B: I can see two____.A: What colour are they? B: They're____.