一个长方形的长是5米,宽是4米,它的周长是□米。□内应是[ ]
A. 5×4
B. 5+4
C.(5+4)×2
答案:C
Is there anything you want from town? I’m going to get _____.
A.those letters mailed
B.mailed letters
C.to mailed those letters
D.those letter mail
机械疏伐主要用在天然林中。