问题
选择题
Hainan has its own high-speed rail line. ______ the trains run on it! [ ]
A. What fast
B. How fast
C. What a fast
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Hainan has its own high-speed rail line. ______ the trains run on it! [ ]
A. What fast
B. How fast
C. What a fast
答案：B