There were signs here and there, _____ visitors to look out for ______ rocks.
#5018
A
warning; fallen
B
warned; falling
C
to warn; fallen
D
warning; falling
推荐题目
He didn’t tell the truth. That reason could not        his absence from school.
#4513
A
take into consideration
B
account for
C
make out
D
make up for
She _______ in Zhuzhou for ten years.
#4547
A
will work
B
work
C
was working
D
has worked