Travelers        that they should bring their ID cards with them.
#103341
A
have reminded
B
are reminded
C
were reminding
D
had been reminded
推荐题目
By the time the fire-engine arrived, the fire        by the inhabitants.   
#102035
A
put out
B
had been put out
C
was put out
D
had put out
Mr. Lin ______ when I go to see him on Sundays. 
#101757
A
is always working
B
was always working
C
always worked
D
has always worked