正常人的开口度为 A.3.7~4.5cm B.4.7~5.5cm C.2.7~3.5 发布时间:2019-06-12 19:12 │ 来源:www.tikuol.com 题型:单项选择题 问题: 正常人的开口度为A.3.7~4.5cmB.4.7~5.5cmC.2.7~3.5cmD.5.5~6.5cmE.1.5~2.5cm
题型:单项选择题 — Is John coming by train? — He should, but he _____ not. He likes driving his car. [ ]A. must B. can C. need D. may 查看答案