A: Can I use the phone in the hall? B:()
A. You can use them.
B. I’m afraid.
C. Of course.
检查关系数据库运行状态的命令有哪些()
A. search_db
B. search_dy
C. get_all_dy
D. get_all_d
检查时序数据库运行状态的命令有哪些()
A. search_db
B. search_dy
C. get_all_dy
D. get_all_d
We’d better ()economic speed ()fuel consumption.
A. take;save
B. to take;save
C. take;to save
D. to take;to save