________ your step， or you might fall into the water.

________ your step， or you might fall into the water.
A、See
B、Watch
C、Miss
D、Look at
【正确答案】：B
【题目解析】：句意：小心脚下，否则你会掉进水里的。watch 有警戒，小心的意思，如：watch out 小心。