we need to dig a ( )hole to plant the tree.A.Three feet deep B.th_英语解答

we need to dig a ( )hole to plant the tree.
A.Three feet deep B.three foot deep C.three-feet-deep D.three-foot-deep

人气：142 ℃　时间：2020-03-18 02:16:23

解答

D.在句中作定语数字+单位（单数）+形容词
就如three years old是表语
three-year-old是定语