问题
选择题
The hospital opened 5 years ago. It _____ for 5 years.[ ]
A. opened
B. opens
C. has been open
D. has opened
答案
答案:C
The hospital opened 5 years ago. It _____ for 5 years.[ ]
A. opened
B. opens
C. has been open
D. has opened
答案:C