题干
31. It is on the maglev train that is very comfortable _____ I have been to the People’s Square.
A：that
B：how
C：where
D：Whe
答案(点此获取答案解析）
A
A：that
B：how
C：where
D：Whe
，
，
，
，
，猜想第
个等式应为 （ ）