问题
选择题
You'd better dig _____ hole. [ ]
A. two-meters-deep
B. two-meter-deep
C. two meters deep
D. a two-meter-deep
答案
答案：D
搜题请搜索小程序“爱下问搜题”
You'd better dig _____ hole. [ ]
A. two-meters-deep
B. two-meter-deep
C. two meters deep
D. a two-meter-deep
答案：D